There is more than one author with this name on Goodreads.

Thomas H. Cook has been praised by critics for his attention to psychology and the lyrical nature of his prose. He is the author of more than 30 critically-acclaimed fiction books, including works of true crime. Cook published his first novel, Blood Innocents, in 1980. Cook published steadily through the 1980s, penning such works as the Frank Clemons trilogy, a series of mysteries starring a jaded cop.

He found breakout success with The Chatham School Affair (1996), which won an Edgar Award for best novel. Besides mysteries, Cook has written two true-crime books including the Edgar-nominated Blood Echoes (1993). He lives and works in New York City.

Awards
Edgar Allan Poe – Best Novel – The Chatham School Affair
Barry Award – Best Novel – Red Leaves
Martin Beck Award of the Swedish Academy of Detection – The Chatham School Affair
Martin Beck Award of the Swedish Academy of Detection – Red Leaves
Herodotus Prize – Fatherhood