Forest of Secrets is a children's fantasy novel, the third book in the original Warriors series, written by Cherith Baldry under the pen name of Erin Hunter. The plot is about Fireheart, a ThunderClan warrior, attempting to prevent his best friend Graystripe from falling in love with Silverstream, whom Graystripe is not allowed to fall in love with. Silverstream later dies giving birth to Graystripe's kits. When RiverClan claims the kits, Graystripe makes the difficult decision to join RiverClan. Fireheart also becomes deputy after Tigerclaw, the deputy, attempts to kill the leader, Bluestar. The main theme of the book is forbidden love. Forest of Secrets takes place in a fictional forest based on many natural locations. The book was first published in the United States as a hardcover on 14 October 2003. It was later published in paperback and as an e-book, and in countries such as the United Kingdom and Canada. It has also been translated into other languages such as Japanese, French, and Russian. The book received positive reviews from trade publications such as Horn Book Review and Booklist, which praised the plot line of divided loyalties, betrayals, trust and the balance between the plot and everyday life. Source: Wikipedia (en)