"Niven and Cooper have crafted a multi-generational, star-spanning epic, with intriguing, fast-paced action. Against a backdrop of mind-boggling technology, the authors ask important questions about how far science should go, and its impact on social structures and human rights. Niven and Cooper are playing God on a grand scale."-Brian Herbert, New York times bestselling author of Dune: The Battle of Corrin on Building Harlequin's Moon

“Recent astronomy hints at a beautiful but stark vision of the solar systems around us. Building Harlequin’s Moon is the best fiction I’ve seen based on this vision.”—Vernor Vinge, Hugo Award--winning author of A Fire Upon the Deep

“Fans of both hard and softer, psychological SF will welcome veteran Niven and newcomer Cooper’s well-written tale of a 60,000-year layover in space. . . . Niven and Cooper provide complicated characters, particularly the AI, which struggle with realistic moral dilemmas.”—Publishers Weekly on Building Harlequin's Moon

"Larry Niven and Brenda Cooper colonization novel is a hugely ambitious, meticulously rendered feast for both head and heart. I can't wait to see what they do next!" ---Steven Barnes on Building Harlequin's Moon

"Larry Niven and Brenda Cooper have accomplished that most difficult of tasks, a novel full of real, hard science, but character-driven from the first page. The scope is enormous, but the focus is intimate, with characters who live and breathe. A marvelous read!"-Louis Marley on Building Harlequin's Moon

"Building Harlequin's Moon is a big tale, well told. Wonderful world-building and characters you can care about."--Syne Mitchell