Mischa's fingertips brushed the book but it was enough. His tongue was feeling strange. it seemed to be twisting. Tongue twister the riddle had said. Mischa jerked back his hand. It seemed that pulling it off of the shelf was not an option. Another way perhaps was summoning it.

Mischa aimed his wand at the book preparing to say the incantation and do the wand movement. "Accio book!''