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The Reviews are in

“Intriguing human and alien characters and lucid scientific detail make this Sci Fi ESSENTIAL book a good addition to most sf collections.”
— Library Journal

"Fans of hard SF will be well rewarded."
— Publishers Weekly

“If you’re a Niven fan, just go buy the book. It’s that good! … It’s the finest Known Space work in many, many years that I’ve had the pleasure to read.”
— Green Man Review

“If a little knowledge is a dangerous thing, a lot of knowledge can rock worlds.”
— Kansas City Star

"Needs recommending within the science fiction community about as much as a new Harry Potter novel does – well, anywhere."  
— Locus Magazine

      "... Exceptional freshness and suspense."  
 — Booklist

      "A very worthy addition to the ongoing Known Space future history."
— SciFi.com
      
      "Larry Niven and Ed Lerner have teamed up to write the prequel [to Ringworld], and it’s well worth reading whether you’ve read Ringworld and its subsequent books or not."  
 — SFRevu.com
      
      "As we have long expected from Niven, it’s a great read, and Lerner—as Analog readers know—has the knack as well.  You’ll enjoy this one."
— Analog Science Fiction and Fact
      
      "Let's see: Great series, grand scope and a seamless prequel with characters and politics, and ethical issues. Who the hell wouldn't read that?"
— San Diego Union-Tribune
      
      "… Delivers a very strong hard science fiction experience. It is a great novel that is not to be missed."  
— SF Signal

      "Fleet of Worlds has all of the elements that Niven fans have come to expect as their due: high technology, engineering on a truly massive scale, psychological surprises, mysteries to be unraveled that lead to greater mysteries. The novel works well as a standalone, will be a treat for Known Space addicts and is the perfect entre for those who are planning to visit Known Space for the first time."
— SFreader.com

Fleet of Worlds marks Larry Niven's first full novel-length collaboration within his Known Space universe, the playground he created for his bestselling Ringworld series. Teaming up with fellow SF writer Edward M. Lerner, Fleet of Worlds takes a closer look at the Human-Puppeteer (Citizens) relations and the events leading up to Niven's first Ringworld novel.

Kirsten Quinn-Kovacs is among the best and brightest of her people. She gratefully serves the gentle race that rescued her ancestors from a dying starship, gave them a world, and nurtures them still. If only the Citizens knew where Kirsten’s people came from….

A chain reaction of supernovae at the galaxy’s core has unleashed a wave of lethal radiation that will sterilize the galaxy. The Citizens flee, taking their planets, the Fleet of Worlds, with them.

Someone must scout ahead, and Kirsten and her crew eagerly volunteer. Under the guiding eye of Nessus, their Citizen mentor, they explore for any possible dangers in the Fleet’s path—and uncover long-hidden truths that will shake the foundations of worlds. 

SCI FI Essential
From the SciFi.com website (affiliated with the SciFi Channel): SCI FI has teamed up with Tor Books, the largest publisher of science fiction and fantasy in the world, to spotlight some of the best new science-fiction novels, from both new and established authors.... Each month we select a new book as a SCI FI Essential. That means it deserves to be counted among the finest works of the genre.

I’m delighted that FLEET OF WORLDS, my first collaboration with New York Times bestselling author Larry Niven, has been selected the SCI FI Essentials title for September 2007.

NEW The Libertarian Futurist Society has selected FLEET OF WORLDS as a finalist for the 2008 Prometheus Award. The winner will be announced in August 2008 at world science-fiction convention. For further information see: http://www.lfs.org/releases.htm