"Sumatran tigers live deep in the jungle. Few of these animmals are left in the world. Ron Tilson and his team set out to explore the jungle to find these endangered animals."--Page 4 of cover.

"Red system" series part identified by red band on books as identified on publisher webpage for Fountas & Pinnell Leveled Literacy Intervention System (LLI) http://www.heinemann.com/fountasandpinnell/lli_Overview.aspx.