39 CLUES 1: MAZE OF BONES Psychology in the High Hills

in the High Hills

This battery-powered engine produces safe-to-touch steam from its chimney as it speeds down the tracks

Merbunny Cream has long petal ears and a sparkly beigey tail

challenging obstacles such as tunnels

and empowering retelling of three classic fairy tales Star illustrator David Roberts joins forces with his author sister

39 CLUES 1: MAZE OF BONES Psychology in the High HillsThe graphic novel adaptation of the mega bestseller that launched a global phenomenon! Minutes before she died Grace Cahill changed her will, leaving her decendants an impossible decision: "You have a choice one million dollars or a clue." Grace is the last matriarch of the Cahills, the world's most powerful family. Everyone from Marie Curie to Harry Houdini is related to the Cahills, yet the source of the family power is lost. 39 Clues hidden around