Jack Campbell is the pseudonym for John G. Hemry, a retired Naval officer and graduate of the U.S. Naval Academy in Annapolis. As Jack Campbell, he writes The Lost Fleet series of military science fiction novels. He also wrote the Stark’s War and JAG in Space series under his real name.
"“An excellent blend of real science and space action.” — Brandon Sanderson, #1 New York Times bestselling author “Black Jack is an excellent character, and this series is the best military SF I’ve read in some time.” — Wired ""DAUNTLESS is the best space navy book that I've ever read."" — Michael Mammay, author of Planetside ""The Lost Fleet series is a must-read for fans of military scifi. Packed with complex characters and even more complex deep-space naval battles, it's the ultimate saga of human perseverance and the will to survive."" — Zac Topping, author of Wake of War “Campbell combines the best parts of military SF and grand space opera … plenty of exciting discoveries and escapades.” — Publishers Weekly “Fascinating stuff … this is military SF where the military and SF parts are both done right.” — SFX Magazine “A slam-bang good read that kept me up at night” — Elizabeth Moon “Military science fiction at its best” — Catherine Asaro, Nebula Award-winning author of Alpha “The Lost Fleet is some of the best military science fiction on the shelves today.” — SF Site “The kind of hero Hornblower fans will love!” — William C. Dietz “Jack Campbell has written the most believable space battles I’ve ever seen anywhere.” — David Sherman, co-author of the Starfist series “A great and gripping read. It’s a fast-paced roller coaster of action and intrigue.” — TCM Reviews “[Campbell’s] space operas [seek] to add layers to the conventions of military SF” — SF Reviews.net “Will grip the audience...Black Jack is a fascinating hero...Fans will appreciate the fourth Lost Fleet tale” — Alternative Worlds"