As well as approaching the country's finest mathematicians, they cast their nets much wider, interviewing sixth-form music students who could read orchestral scores, chess masters, poets, linguists, hieroglyphics experts and high society debutantes fresh from finishing school. To assess these individuals they devised various ingenious mind-twisters - hidden codes, cryptic crosswords, secret languages, complex riddles - and it is puzzles such as these, together with the fascinating recruitment stories that surround them, that make up the backbone of this book.The code breakers of Bletchley Park were united in their love of a good puzzle. If you feel the same, why not dive in, put your mental agility to the test and discover: Would Bletchley Park have recruited YOU?

    Ken Denmead struck a chord with parents and kids across America with his GeekDad blog on Wired.com, which receives more than one million page views per month. His debut book, Geek Dad, was on bestseller lists and in its seventh printing just two months after hitting store shelves. With The Geek Dad's Guide to Weekend Fun, he keeps the nerdtastic novelties coming, with projects that teach readers how to:-Build homemade robots from scratch -Write and direct simple stop-motion movies -Hack into mechanical toys to add cool electronic twists, and moreUnited by the premise that to really understand science and how something works you must design and build it yourself or remake it better, Geek Parents everywhere will celebrate this latest installment of weekend workshop wonders.Watch a Video