Our very own Sultan of STEM, Crusader of Calculus, Prince of Pi — Adam Barrington Spencer — is back in 2019 with more teasing, tantalising and tricky maths games, puzzles and quizzes for young and hungry minds.

Scared of square roots? Petrified of Pythagoras? Frightened of factorials? Let Australia's funniest mathematician enthral and entertain as he dymystifies numbers in this bumper new edition.

Adam Spencer's Mini Book of Numbers follows on from the bestselling Enormous Book of Numbers (2015), Number Crunchers (2016), and The Number Detective (2018), and is guaranteed to keep kids aged 6—12 occupied for hours on end.