The Prisoners of the Thirteenth Floor(2014)
(A book in the Hocus Pocus Hotel series)
A novel by Michael Dahl
Charlie finds himself on the hidden 13th floor of the Abracadabra Hotel. He discovers both Tyler and the magician Brack. Brack was trapped there by a mysterious figure he could not identify.
Used availability for Michael Dahl's The Prisoners of the Thirteenth Floor
January 2014 : USA Library Binding
December 2015 : USA, Canada, UK Kindle edition