"The tag line was, 'If you knew how to commit the perfect crime would you do it?," says lawyer Rob Marcereau, who represented PTA President Kelli Peters in her civil trial against the Easters. "It was a game for them. This was a fantasy for them."
The novel, entitled Holding House, which is written under Easter's pen name Ava Bjork, tells the story of Sean Howser, a mixed martial-arts star with a gambling problem who takes part in an international kidnapping scheme with two friends.
For more on the revenge plot by fellow parents that turned Kelli Peters' life upside down, pick up this week's issue of PEOPLE on newsstands Friday
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Orange County District Attorneys office
Marcereau says the former couple hatched the plan to plant drugs in the PTA president's car after Jill Easter took offense when Peters said her son was slow to line up for after school pick up. Peters meant the boy was walking slowly, but Jill Easter perceived the remark to be a crack about his intelligence.
"Jill Easter construed that comment, the word 'slow,' to be some sort of dig on her son," says Marcereau. "That nothing event is what sent this horrible ordeal into motion."