Mathematics of Discrete Structures for Computer Science

Science is a blast, when you work together with Grandma! Follow the volcano fun in this silly Step 2 early reader story from the New York Times bestselling creators of How to Babysit a Grandpa.Once you've learned how to make a volacano at home, it's time to teach Grandma what to do! But what happens when you don't remember the right ingredients? Work together with Grandma to create the best at-home volacno ever, with a few tips and tricks from the experts -- kids!This Step into Reading story features a sweet Grandma and grandchild relationship and all the silly, sticky moments that come with creating an at-home experiment. Perfect for children who are ready to read on their own!Step 2 readers use basic vocabulary and short sentences to tell simple stories. They are perfect for children who recognize familiar words and can sound out new words with help.

A picture-book biography about science superstar Neil deGrasse Tyson, the groundbreaking American astrophysicist whose work has inspired a generation of young scientists and astronomers to reach for t

Boom! Snap! Whiz! Zap! The Magnificent Makers chapter book series is filled with science, adventure, and characters kids will love! Every book includes two science activities kids can do at home!A modern day Magic School Bus for the chapter book reader!Wacky scientist Dr. Crisp loves to invite students to the her Maker Maze for a STEM-filled adventure! Just solve a riddle and the portal to the Maze will appear! But there's a catch...if the kids don't complete a challenge fast enough, they can never come back to the Maze!Violet, Pablo, and Deepak return to the Maker Maze to learn all about outer space! But as they go through the levels of the Maker Maze, Pablo keeps making mistakes. Learning about space is his favorite, and his mistakes make him wonder whether he will ever be smart enough to be an astronaut.In this installment, the kids learn that mistakes are an important part of learning and being a Magnificent Maker. Don't miss any books in the series!

The Positive Power early reader series introduces self-esteem and empathy to budding young readers. I am Smart is a fun and encouraging early reader about making good choices! Now a part of the premier early reading line, Step into Reading!When a young boy's teacher announces that there will be a science fair in a few weeks, he is worried. He doesn't like science. But by doing research, asking his friends for help instead of going out to play soccer, and not giving up, he learns that making smart choices leads to success. In this installment of the Positive Power series, kids will learn the affirmation "I am smart" through a relatable story of dedication and perseverence.Through simple text and joyful illustrations, this installment in the Positive Power series inspires kids to make smart choices while giving them the confidence they need to transform from little to BIG readers. Step 2 Readers use basic vocabulary and short sentences to tell simple stories, for children who recogn

Learn how two brothers, Chris and Martin Kratt, became televsions favorite wildlife explorers!Meet Chris and Martin Kratt, two brothers who turned a love of animals into an amazing career! They have produced, written, directed, and starred in several PBS series and specials over the years. Most recently, they have become known for PBS's smash hit animated show Wild Kratts. Along the way, they traveled the world and encountered incredible creatures, all while combining science education with fun. Boys and girls ages 4 to 7 will this Step into Reading biography of two brothers who know how to live life on the wild side.Step 2 Readers use basic vocabulary and short sentences to tell simple stories. For children who recognize familiar words and can sound out new words with help.

Five Wild Kratts Step into Reading leveled readers in one book for even wilder adventures with the Kratt Brothers and animals from all around the world!PBS's hit animated showWild Krattsfollows the adventures of zoologists Chris and Martin Kratt as the duo travels to animal habitats around the globe. Along the way, they encounter incredible creatures while combining science education with fun. Boys and girls ages 4 to 6 will dive into this Step into Reading collection featuring fiveWild Krattsleveled readers about big cats and felines, wild dogs and canines, creatures that fly and creatures that can survive in the coldest places, together in one volume! Step 2 readers use basic vocabulary and short sentences to tell simple stories. For children who recognize familiar words and can sound out new words with help.

Shark lovers will enjoy hunting down the TRUTH about their favorite ocean predators in this innovative new Science Reader series.Baby sharks are toothless at first, right? That's a LIE! The TRUTH is, sharks are born with a mouthful of teeth to protect themselves and hunt right away. Though this engaging early reader is 100% fun, 25% of it is FALSE! In a unique question-and-answer format, proficient readers are quizzed about their favorite ocean predators to see if they can separate facts from "lies." The book's mascot--the Truth Sleuth--guides readers through this funny and fact-packed Step 3 Reader, filled with photos of sharks in action, as well as kid-appealing art and humor.Step 3 Readers feature engaging characters in easy-to-follow plots about popular topics, for children who are ready to read on their own.

Dinosaur fanatics will love hunting down the TRUTH about their favorite prehistoric reptiles in this innovative new Science Reader series.Tyrannosaurus rex's closest living relative is the alligator, right? That's a LIE! The TRUTH is, the massive carnivore was actually more closely related to chickens!! Though this engaging early reader is 100% fun, 25% of it is FALSE! In a unique question-and-answer format, proficient readers are quizzed about dinosaurs to see if they can separate facts from "lies." The book's mascot--the Truth Sleuth--guides readers through this funny and fact-packed Step 3 Reader, which features photos and illustrations of dinosaurs and fossils, with funny, kid-appealing art by Michael Slack.Step 3 Readers feature engaging characters in easy-to-follow plots about popular topics, for children who are ready to read on their own.