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Summary: A great thriller that has much invested in characterizations
Review: Emma Watson and Jack McCallum happily married seven years ago and remain deeply in love with one another. However, the couple agrees to a divorce because Jack is envious of Emma's success. Emma is a qualified mission control astronaut while Jack failed to pass the health test. An excited Emma flies on the shuttle to the Space Station to replace an astronaut whose spouse is ill. On the space station, one of the occupants dies from an unknown ailment in which his body seems to have oozed eggs of an unfamiliar organism. Soon other individuals residing on the space station also die from the disease. A distraught Jack knows he needs to find a panacea to keep his beloved Emma from being the next person to succumb to the illness. Tess Gerritsen has a well-deserved reputation for her thrillers. Her latest novel will elate fans of medical thrillers and science fiction as well as readers of romantic suspense. GRAVITY is a non-stop action tale that rivals the best of Cook and Palmer. The exhilarating story line provides readers an insider's look at life on the space station while taking the audience to a level of G's rarely seen in a novel. The lead couple is an interesting duo whose relationship seems to have blown up until a crisis makes Jack realize what is really precious in life. Ms. Gerritsen is heading back to the best selling lists with this wonderful cross appeal novel. Harriet Klausner
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Summary: Not your average thriller.
Review: My favourite Tess Gerristen book, although I have not read them all yet. I could not put down this book once I started it. Riveting read, that I thoroughly enjoyed. I loved the main character Emma, she was a perfect heroine for this story.
The writing was excellent, with well developed characters and a fascinating story. I will be rereading this book at some stage in the future. And I am dying to get my hands on more of Tess Gerristen's books.
Even if you are not a fan of Tess Gerristens normally, I think you will enjoy this book.
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Summary: Very Different From Standard Tess Books, But Great!
Review: Ms. Gerritsen's medical details and terminology certainly rival those of Michael Crichton, and her writing style, characterizations and pacing nicely complement the technology. Although this book is quite different than her excellent Dr. Maura Isles series, it is nonetheless well worth reading and is a must for anyone collecting her work. The subject matter is also quite scary in the very realistic possibilities it presents as civilization sometimes insanely tries to uncover, discover and invent without due consideration of the consequences.
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Summary: Excellent story with escalating suspense...
Review: I recently finished the book Gravity by Tess Gerritsen. It's a great medical thriller set in space...
Emma Watson, an astronaut and physician, is sent up to the International Space Station when a current occupant's wife dies as the result of a car accident. Shortly after she gets up there, one of the other astronauts contracts a strange illness and dies a gruesome death. They are unable to figure out why or what the cause is until suspicion centers on one of the cellular experiments that isn't going as they expected. The dead astronaut is put on the space shuttle for a return to earth, but the deadly killer leaks out and attacks all of those astronauts, causing them to die on the way back to earth. It then becomes a race against time and the government (who wants to keep the virus up there as they know what it is) to save Watson before she becomes the last victim.
This was an excellent story with plenty of suspense and mystery. It was one of those books I kept trying to read in any spare moment I had, as the characters were compelling and the story was building towards a interesting finale. I have a definite feeling that Gerritsen's other novels will quickly make their way onto my must-read list.
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Summary: A cant put down thriller for a non book worm
Review: I'm not a big book reader but after hearing about this book on the radio I said I would give it a try. I read this book in about three days. I was intrigued with the writing and the excellent scientific knowledge of the author. It was very enjoyable.
Rating: 
Summary: Gravity
Review: I found this book BORING. I found it in a used book store for $1.00 so I gave it a try. Instead of being a novel of medical suspense, it is more like a sleeping pill. The plot line is convoluted, and although the author claims she got assistance from NASA in writing it, the background is not factual.
I would not recommend this unless you were stuck on an ocean liner and it was the only book available and there was no bar, phone or cable.
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Summary: Tess Gerritsen WOW
Review: Gravity had two major appeals to me. First I just love her books read and own almost all of them. Second Gravity opens at White Sands Missle Range and I happen to live here. Gravity was to say the least mind blowing. The complex nature of this alien virus and ways to treat it are unbelievable. Tess Gerritsen keeps making my day with her novels. Each one a #1 in my book. If you have read any of her books you need to read the rest. Anyone who loves a mystery with a medical undertone needs to pick one up!!!! Cant wait for the next one. Tess is the Best!! Not to mention I learned a few things about White Sands that alot of people here did not know. Like this used to be a internment camp for Germans during the war.
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Summary: Fast-paced, Creepy & Extremely Well-Written
Review: This is my second reading of my favorite Gerritsen book so far. Dr. Emma Watson is on the International Space Station doing scientific experiments when something goes terribly wrong. One of the crew is afflicted with stomach pains, vomiting and blood-red eyes. Soon, he's dead and his body seems to be liquifying before their very eyes. NASA is being told they have to abandon their astronauts; they have no clue what is happening to their crew members, so they can't allow it to come here and kill more people. But Jack McCallum, Emma's soon-to-be ex-husband, is back on earth trying to figure out what has gone wrong - and how to save Emma and the rest of the crew from dying from this strange disease that has somehow made it onto the space station. Where did it come from? How did it make it through all the security regulations for an ISS experiment?
I loved this book - it's fast paced, creepy, and extremely well-written!
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Summary: A Medical Thriller at it's BEST
Review: I am an avid reader of Tess Gerritsen and absolutely love her writing style. My favorite book was, (up until now) Harvest. This book was an exciting change from her others as it takes place in space. Gravity gives you an inside look at Johnson Space Center in Houston, along with all of her great medical insight. I would recommed this title to anyone in search of a great medical thriller -- this one blew me away!
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