Headscratchers

<b>Rob Eastaway</b> is the puzzle advisor for <i>New Scientist</i>'s puzzle column. He is the author of several bestselling books on everday maths including <i>Maths On The Back of an Envelope Why do Buses Come in Threes? </i>and <i>Maths for Mums and Dads.</i> He lives in London.<br> <b>Brian Hobbs </b>is the host of the acclaimed podcast <i>Brain Drop Puzzles</i>. His puzzles also appear frequently in <i>New Scientist</i>. He lives near Dallas Texas. <b>'A fantastic and varied collection of problems authored by some of the best puzzle setters around' - Alex Bellos</b><br><b></b><br><b>'A book of delightful puzzles. It's just as good as you'd expect.' - Tim Harford</b><br><b></b><br><b>'A marvellous miscellany of mysteries' - Simon Singh</b><br><br><b>'Hours of arguing and puzzling. I loved it.' - Matt Parker</b><br><br>This highly engaging collection of 70 puzzles comes from the popular weekly column in <i>New Scientist</i> magazine. You'll find puzzles that are great for sharing with friends at a pub problems drawn from real-life situations games with intriguing strategies and puzzles with such creative and whimsical storylines that they need to be explained to be believed. <br><br><br> With the solutions you'll read the untold back stories behind the puzzles and a fascinating exploration of related puzzles and mathematical ideas. You'll learn why a particular puzzle adaptation involved talking to an expert in sheep genetics which solution was thought up by the BBC Radio 5 Drive team and outside-the-box solutions to apparently straightforward challenges. This book is a must for any lover of puzzles or recreational mathematics. A mind-bending collection of puzzles from the <i>New Scientist</i> published in book form for the first time A marvellous miscellany of mysteries The ultimate collection of modern puzzles [...] Hours of arguing and puzzling. I loved it. The wonderful Rob Eastaway has a book of delightful puzzles out this week. It's just as good as you'd expect if you know his work. A fantastic and varied collection of problems authored by some of the best puzzle setters around. A marvellous miscellany of mysteries The ultimate collection of modern puzzles [...] Hours of arguing and puzzling. I loved it. The wonderful Rob Eastaway has a book of delightful puzzles out this week. It's just as good as you'd expect if you know his work. A fantastic and varied collection of problems authored by some of the best puzzle setters around.