20,000 Leagues Under the Sea : Big Picture Press : 9781787412408 : 1787412407 : 12 Jul 2018 : Inspired by Jules Verne's iconic novel, this puzzle book is a treat for readers of all ages. Aleksandra Artymowska's take on the tale is bursting with wild creatures, strange landscapes and mechanical contraptions - and it will take readers on an underwater adventure like no other. Each scene contains hidden symbols and keys to uncover, in a series of challenges guaranteed to fascinate and amaze.