In this long-awaited follow-up to his much-loved bestseller, written with his sons Cameron and Arthur, Conn Iggulden presents a brand-new compendium of cunning schemes, projects, tricks, games and tales of extraordinary courage.

Whether it’s building a flying machine, learning how to pick a lock, discovering the world’s greatest speeches or mastering a Rubik’s cube, The Double Dangerous Book for Boys is the ultimate companion, to be cherished by readers and doers of all ages.