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Critical Praise

"Proof of Heaven is a remarkable first novel that explores the intersections of science and religion, medicine and faith….Reminiscent of Carol Cassella’s recent work, this is an emotionally fulfilling, spiritually inviting, thought-provoking novel."


"A stirring and remarkable, life-affirming debut…Kudos to Hackett for presenting a real world, gritty yet soaring tale in which humans must make personal choices between hope and hopelessness...And rest assured that once you’ve may well look at life and its inevitable conclusion in a new way."

New York Journal of Books

"Proof of Heaven belongs on any keeper shelf...beautifully written, mesmerizing and tragic, thought-provoking, and a reaffirmation of faith. The story of a mother’s love for her son was was the tale of one boy’s search for heaven that brought me to tears. I loved this book."

—Shelley Shepard Gray