Kingdom of the deep /
EJ Altbacker.
- New York : Razorbill, c2012.
- 228 p. : ill., maps ; 21 cm.
- Shark Wars .
- Shark wars ; 4 .
- Altbacker, E. J. (Ernie J.). Shark wars (New York, N.Y.) ; 4. .
Maps on endpapers.
Gray turns out not to be the last megalodon in the ocean after all, and he explores his family's heritage, but when the conniving mako Velenka escapes from her underwater prison, peace in the Big Blue is in danger.