http://jalibrary.i2p/meta?fname=archives/books/epubs/Helfman%2C%20Gene/Sharks%20%28497595%29/Sharks%20-%20Helfman%2C%20Gene.epub
Just Another Library Toggle theme Light Dark Auto books onions articles images videos audiobooks Sharks Answering every conceivable question about sharks, authors Gene Helfman and George H. Burgess describe the fascinating biology, behavior, diversity (there are more than 1,000 species worldwide), and cultural importance of sharks, their close relationship to skates and rays, and their critical role in healthy ecosystems.