Robert Arthur 
The Three Investigators and the Mystery of the Talking Skull [EPUB ebook] 
American English

Every true ‘The Three Investigators’-Fan dreams about following the adventures of Jupiter, Pete and Bob in the original American edition. ‘The Three Investigators and the Mystery of the Talking Skull’, finally available for your reading device!
This adventure starts when Jupiter, Pete and Bob buy an old trunk for a dollar at an auction. Before they have even collected the trunk, a white-haired lady offers them a lot of money for it — and that’s only the beginning! Why are so many people after the trunk? And what’s in it?