A portable puzzle book, ideal for school bags, car seats and even pockets. The bendable spine is for easy-opening and easy-to-write in pages.

Alex Frith has been writing Usborne books since 2005. His diverse output covers such titles as 'See inside Your Head', 'Stories of Thor' and 'Politics for Beginners'. He has spoken at multiple festivals about his book '100 Things to Know About Space'. Alex can be found in London.