Mathematics of Discrete Structures for Computer Science

Puzzle-lovers across the nation have fallen for the hot new craze su doku! One look at a 9 x 9 logic puzzle reveals the secret of its appeal: Without your attention it will remain forever incomplete.

The search for survivors continues in this next adventure from bestselling author Jude Watson.The Empire has taken over the galaxy. Anakin Skywalker is now Darth Vader. Most of the Jedi are gone . .

Obi-Wan Kenobi tries to keep the Jedi's most important secret safe from the Empire and search for another Jedi who, besides Yoda, survived the Emperor's annihilation of the Order.

The first day of school is here, and Stuart is worried. What if he gets stuck in the boys' bathroom? What if he doesn't have anything to show for show and tell? Worst of all, what if his mother rea

Teen Titans: five teenage superheroes fighting for truth, justice, and the last slice of pizzaWho are the Teen Titans? Beast Boy who can turn into any animal he wants; Cyborg who's half-man, half-robo

From the creator of the HOMIES -- the hottest-selling vending machine property after the NFL -- comes a brand-new group of characters.It's time to celebrate! The Mijos are getting ready for Oakland's

In 1972 in Seattle, a teenager in a Japanese American family struggles for his own identity, along with a group of three friends who share his anger and confusion.

Category: Feelings"Oh is Sophie ever angry now!"Everybody gets angry sometimes. For children, anger can be very upsetting. Parents, teachers, and children can talk about it. People do lots of differen

It's summer. It's hot. And it's time to hook up.Cousins Ella, Beth, and Jamie are at their family's beach house, and they're gearing up for the wildest time of their lives. Sassy Ella is majorly crush

The Toa are searching for the Disks of Power. Without these Disks, they may never be able to defeat the Morbuzak that is destroying the city of Metru Nui. The Matoran say they will help, but at least

Thirty-five million miles into space, a species of Martians sets eyes on planet Earth. With their own planet doomed for destruction, the Martians prepare to invade. Their weapons are ready and thei

It's the day of the big game, and Froggy is ready. His soccer team is playing the Wild Things for the City Cup. All Froggy has to do is remember the rule: "Head it Boot it Knee it Shoot it But Don't U

Kaz, Star, Adriana, and Dante have discovered a sunken treasure ship, but nobody wants them to get near it, so it will take a whole lot of ingenuity and teamwork for the children to obtain what is rig

When Mr. Toddle asks the Corner Kids and the rest of the class to decide how to celebrate what the flag means for Flag Day, they learn that it means many different things to different people.

Pura Belpré Award WinnerAméricas Award Honor BookJane Addams Children's Book Award WinnerWilla Cather Award WinnerLos Angeles Times Book Prize FinalistILA Notable Book for a Global SocietyALA Top Ten Best Books for Young AdultsNew York Public Library 100 Titles for Reading and SharingA Publishers Weekly Best Book of the YearEsperanza thought she'd always live with her family on their ranch in Mexico--she'd always have fancy dresses, a beautiful home, & servants. But a sudden tragedy forces Esperanza and Mama to flee to California during the Great Depression, and to settle in a camp for Mexican farm workers. Esperanza isn't ready for the hard labor, financial struggles, or lack of acceptance she now faces. When their new life is threatened, Esperanza must find a way to rise above her difficult circumstances--Mama's life and her own depend on it.

For three years, Eireann Corrigan was in and out of treatment facilities for her eating disorders. By the time she graduated high school, her doctors said she was going to die if things didn't chang

Lief, Barda, and Jasmine have almost reached their goal. Six gems for the Belt of Deltora have been collected. Now the last one must be found before Deltora can be freed from the evil Shadow Lord. The

A dramatic new survival trilogy follows a group of six kids who have been sent to a deserted island for a character-building experience as they embark on a quest for survival that will test their limi

Bestselling author Garth Nix's amazing Seventh Tower series is back--now with a great new look!The Underfolk are restless. For a long time, they have kept quiet, occupying the lower levels of the Cas

Part of the 8-book Tamora Pierce reissue for Fall 2006, this title in the Circle of Magic quartet features spellbinding new cover art. Coincides with the release of WILL OF THE EMPRESS in trade pb.Fou

Complete with an introduction by Newbery Medalist Jean Craighead George, this classic American tale for middle readers tells of the adventures of the quick-witted Tom Sawyer and his friend, Huck Finn.

A biography of a strong and dedicated woman who successfully worked for the recognition of women in the field of medicine in both the United States and Great Britain.

Introduces Mandy, the daughter of veterinarian parents who own the Animal Ark Veterinary Hospital, and follows her efforts to find homes for four newborn kittens who are about to be evicted from their

The year is 1818, and the coastal village of Monterey, California, is a peaceful home for 11-year-old Carlito and his family ... until pirate ships appear on the horizon. Carlito and his friends are e

From the Newbery-award winning author of Holes"Everyone take out your spelling books," said Mrs. Jewls. "It's time for arithmetic."Sue is so excited for her first day at Wayside School. But things a

An actual incident in which Norwegian children smuggled gold past the Nazis is the basis for this story of courage and patriotism

Introduces the African-American holiday of Kwanzaa, and provides information on holiday parties, recipes for African-inspired dishes, instructions for holiday craft projects, and brief biographies of

Left alone after the deaths of her father and brother who take opposite sides in the War for Independence, and fleeing from the British who seek to arrest her, Sarah Bishop struggles to shape a new li

Hear ye! Hear ye! Everyone knows that Judy Moody has a mood for every occasion, and now a visit to Boston has put her in a revolutionary frame of mind Unfortunately, a protest for more allowance in th

You've never read a Francisco X. Stork novel like this before! A missing girl, a determined reporter, and a young man on the brink combine for a powerful story of choices, suspense, and survival.Four

9780545206983 #4: The Bombing of Pearl Harbor, 1941 珍珠港事件70 years later, the bombing of Pearl Harbor comes to life for a new generation of readers!History's most terrifying moments are brought vi

Now in paperback from the creators of Room on the Broom and The Gruffalo, a perfect read-aloud tale of spooky, silly fun!Oh no! The Baddies are coming! They’re the meanest and nastiest ghost, witch, and troll in all the land, and they just love being bad. When a little girl moves into a nearby cottage, the Baddies can’t wait to scare her out of her wits. But little girls are much braver than they thought, and baddies don’t always win...Get ready for a rollicking tale of spooky, silly fun in this riotous picture book from the creators of Room on the Broom, The Snail and the Whale, and The Gruffalo.

New York Times bestselling author Kelly Yang is back with another heartwarming and inspiring story of Mia and friends Mia Tang is going for her dreams After years of hard work, Mia Tang finally gets to go on vacation with her family -- to China A total dream come true Mia can't wait to see all her cousins and grandparents again, especially her cousin Shen. As she roams around Beijing, witnessing some of the big changes China's going through, Mia thinks about the changes in her own life, like . . .1. Lupe's taking classes at the high school And Mia's own plans to be a big writer are . . . stuck.2. Something happened with Jason and Mia has no idea what to do about it.3. New buildings are popping up all around the motel, and small businesses are disappearing.Can the Calivista survive? Buckle up Mia is more determined than ever to get through the turbulence, now that she finally has . . . room to dream

A boxed set of five hilarious, magical adventures in the New York Times bestselling Upside-Down Magic series, now a Disney Channel Original Movie!What do you do when you try to turn into a dragon or a kitten, but you accidentally turn into a dritten instead? Or you try to conjure fire but can only make flurries? Or maybe you get to fly, but you can't come back down? For Nory and her friends in Dunwiddle Magic School's Upside-Down Magic class, magic is amazing, unpredictable, and out of control!This boxed set includes the first five hilarious, upside-down magical adventures! Upside-Down Magic #1: Upside-Down MagicUpside-Down Magic #2: Showing OffUpside-Down Magic #3: Sticks & StonesUpside-Down Magic #4: Dragon Overnight Upside-Down Magic #5: Weather or Not

A fun-filled chapter book series that answers the question: What if Frozen's Elsa went to regular school?The time has come for Princess Lina to choose her special magical weather specialty. Her cousin

Welcome to the Puppy Place -- where every puppy finds a home!Lizzie is so ready for animal camp at the Caring Paws Shelter during her school vacation. She loves spending time with all the animals and

It's Winter Break at Hilltop Academy and Lina couldn't be more excited. With time off from school, Lina's parents say it's all right for her best friend, Claudia, to come up to their cloud palace for

Meet the Peppers.Funny runs in the family.Maria Pepper wants to win her school's mascot competition. But her tryout goes terribly! Her always-embarrassing family manages to humiliate her for the milli

She doesn't need a hero. She is a hero.On a planet called Etheria, two forces battle for control. The Horde, with its skillfully trained soldiers and advanced technology, has one goal: to conquer all

Vanesa Campos can't wait for winter vacation. Skiing on the slopes, sipping hot cocoa . . . her week at Pinecloud Lodge promises to be cozy and perfect. And maybe she can make some new friends! Never