Frankie and the gift of fantasy

"Frankie Russo doesn't brood about the past or worry about the future. He lives in the present moment, frolicking in a world of make-believe that drives his high-achieving parents crazy. They have lofty ambitions for him, but Frankie has no interest ... Frankie's parents nag him endlessly, worried he'll come to nothing. But all that changes when he disappears through a mysterious crack in his bedroom ceiling and finds himself on a distant, two-mooned planet called Urth"--Provided by publisher.