Stuart Gibbs 
Belly Up [EPUB ebook] 

Twelve-year-old Theodore "Teddy" Roosevelt Fitzroy believes that Henry, the hippopotamus at the brand-new Fun Jungle, has been murdered. The zoos top brass claim the hippo went belly up the natural way, but Teddy and his feisty friend Summer Mc Craken have other ideas. Could the culprit be Fun Jungles animal-hating head of operations? Or is it Fun Jungles owner Summers dada man who is much more concerned about money than animal welfare? The deeper Teddy and Summer dig, the more danger theyre inbecause when it comes to hippo homicide, the truth cant be caged!