4.04 (299 ratings by Goodreads)
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Jack and his half-brother, Parker, have no time to mourn the loss of their father. With an attack by the body-stealing Takers imminent, the pair must put aside their grief and track down the ingredients of their father's formula--one that will rein in the power-hungry Takers and keep their family and friends out of danger. Their only hope lies in a puzzle their father left behind, a maze of clues and riddles buried in the minds of strangers. This perilous treasure hunt leads them down a deadly path where nothing and no one can be trusted entirely. And when Parker finds himself deep in the fray between the Takers and the other Night Walkers, it's up to Jack to complete the formula and save his brother's life.
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Product details

  • 12-17
  • Paperback | 408 pages
  • 132 x 203 x 25.4mm | 362.87g
  • FLUX
  • United States
  • English
  • 073874431X
  • 9780738744315
  • 816,153

Review quote

"A thrilling adventure and satisfying end." --Deseret News "[Mania] is exciting and highly addictive, and the entire series boasts an original plot with compelling, dynamic characters." --VOYA
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About J.R. Johansson

J. R. Johansson (Orem, UT) holds a BS in public relations and is active in the writing community, teaching classes and workshops. Insomnia is her debut novel. Visit her online at
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Rating details

299 ratings
4.04 out of 5 stars
5 39% (118)
4 35% (104)
3 19% (57)
2 4% (12)
1 3% (8)
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