(Paperback)

Harry Hammer and Rick Reef travel to the mysterious surface world of Earth inthis final Shark School (mis)adventure.

(Hardback)

"Harry Hammer's latest hero, Terranaut Buzz Sharkfin, is planning a mission to outer space, which to a shark is planet Earth! Harry and his lifelong frenemy Rick Reef are chosen for Buzz's daring mission, but daring turns dangerous when the guys come fin-to-fin with dogs, cars, and--yikes!--humans in this strange and wacky new world"--