Gregor and the Curse of the Warmbloods is an epic fantasy children's novel by Suzanne Collins. It is the third book in The Underland Chronicles, and was first published by Scholastic in 2005. The novel takes place a few months after the events of the preceding book, in the same subterranean world known as the Underland. In this installment, the young protagonist Gregor is once again recruited by the Underland's inhabitants, this time to help cure a rapidly-spreading plague. Gregor and the Curse of the Warmbloods has been published as stand-alone hardcovers and paperbacks, as well as part of a boxed set. It was released as an audiobook on December 13, 2005, read by Paul Boehmer. In August 2010, it was released in ebook form. It has been lauded for "[addressing] a number of political issues ... in a manner accessible to upper elementary and middle school readers". Source: Wikipedia (en)