"David Acheson captures the joy and wonder of mathematics in this little book, full of delightful and curious examples presented in a gentle, friendly way, yet packing in a number of profound ideas." – Hannah Fry, broadcaster and lecturer, author of
The Mathematics of Love and
The Indisputable Existence of Santa Claus"A delight." – Brian Clegg,
Popular Science"[A] compendium of intriguing ideas which would fascinate and compel a keen mathematician wanting to learn more, and provide hours of intrigue and jumping-off points for further investigation." – Katie Steckles,
The Aperiodical"[A] neat little book...every teacher, or at least every department, should have a copy." – Grant Macleod,
Mathematics in Schools "This book is both interesting and entertaining, and it should appeal to any numerate person who has a casual interest in puzzles or mathematics." –
SF2 Concatenation"This short book encompasses an astonishing array of ideas and concepts, from number tricks and magic squares to infinite series and imaginary numbers." –
MathSciNet