Join daring explorers Daisy and Dale Deed as they set off on a mathematical adventure! They're racing to find the mysterious city of El Numero-a mythical, mysterious place that can only be found by solving number puzzles.
Our intrepid heroes will need your help to solve the cryptic clues. Help them to solve mathematical riddles, navigate number mazes, and crack cunning codes!
This awesome book will make you a maths explorer, too!
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