Billy和他最好的朋友Ash參加了學校的郊遊，去動物園學習有關瀕危動物的知識。但是當他們到達時，小怪物們迫不及待地開始探險。很快，在老虎園區惹出了麻煩，Gloop被猴子綁架了，整個班都將面臨一場爬行動物的驚喜.....Another laugh-out-loud FULL COLOUR monster adventure in the Billy and the Mini Monsters chapter book series, perfect for newly independent readers aged 6+ and fans of Claude and Horrid Henry.Billy and his best friend, Ash, are on a school trip to the zoo to learn all about endangered animals. But when they arrive, the Mini Monsters can't wait to explore. Soon there's trouble in the tiger enclosure, Gloop's been kidnapped by a monkey and the whole class is in for a REPTILE SURPRISE!Packed with colour illustrations, comic strips, maps and speech bubbles, with an action-packed plot, to appeal to even the most reluctant reader.
