what is the storyline?
The novel chronicles the events directly following "Harry Potter and the Half-Blood Prince" and the final confrontation between the wizards Harry Potter and Lord Voldemort.
Harry Potter and the Deathly Hallows
The novel chronicles the events directly following "Harry Potter and the Half-Blood Prince" (2005) and the final confrontation between the wizards Harry Potter and Lord Voldemort.

when did harry potter deathly hallows come out 21 July 2007. what kind of a work is it? It is a fantasy novel. who composed it? It was written by J. K. Rowling.
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Harry Potter and the Deathly Hallows [SEP] Introduction
Generally well received by critics, the book won the 2008 Colorado Blue Spruce Book Award, and the American Library Association named it the "Best Book for Young Adults". A film adaptation of the novel was released in two parts: "Harry Potter and the Deathly Hallows – Part 1" in November 2010 and "Part 2" in July 2011.