Orville Mouse and the Puzzle of the Shattered Abacus (Orville Wellington Mouse Adventures Book 2) by Tom Hoffman

Award Winning Finalist Young Adult Adventure • 2017 Readers’ Favorite International Book Awards

Orville Wellington Mouse unwittingly sets off a galaxy shaking chain of events when he buys his mum a lovely birthday necklace from Miraculum’s Fine Antiques. When Orville and his best friend Sophia Mouse observe a small glass marble breaking the laws of physics they set out to discover the cause of its extraordinary behavior, unexpectedly revealing the marble’s astonishing connection to his mum’s new necklace.