Sherlock Sam and the Quantum Pair in Queenstown

 is the 11th book in the Sherlock Sam series.

Synopsis
The Supper Club encounters strange and impossible phenomena near Dad’s workplace, and Sherlock Sam suspects that the weirdness is caused by alternate realities bleeding into his own. Together with Watson and the rest of the Supper Club, Sherlock Sam works to stop universes from colliding, lest they face a crisis of infinite Watson’s spouting sarcasm everywhere they turn!