Bryant collaborated in the ghostwriting of The Baby-sitters Club Super Special #14: BSC in the USA, published under the name of its creator, Ann M. Martin.
Reavill's ghostwriting collaborations include projects with Terri Irwin, the widow of Steve Irwin (Steve & Me: Life with the Crocodile Hunter), Tiki Barber (Tiki: My Life in the Game and Beyond) and Jerry Heller (Ruthless: A Memoir).
Shortly after Mezlekia's award win for Notes from the Hyena's Belly, poet and editor Anne Stone alleged that she had ghostwritten all but the final 20 pages of the book.