Her life was a walk on the razor's edge. Ravaged by a devastating combination of flashbacks and seizures, Leana Beasley had all but lost hope.

Then came Bronson. The dog, once a stray, was a Rottweiler mixed-breed. Named after tough-guy actor Charles Bronson and trained in a women's prison to help people with disabilities, he immediately won Leana's heart. With an uncanny ability to forewarn of seizures and a loving, unflappable personality, the animal changed-indeed, saved-Leana's life, and that of her family.

Bombproof takes readers into some of society's most desperate...