Neff is the author and illustrator of the Tapestry, a fantasy fiction series that follows the life of a boy named Max McDaniels.
His series comprises five novels, the last of which was published in e-book format on November 25, 2014.
The books are notable for combining a range of genres, including fantasy, history, mythology, folklore, and science fiction.
Neff both writes and illustrates his books.
The Hound of Rowan was nominated for the 2009-10 Texas Bluebonnet Award.Impyrium was named to the 2018 Texas Library Association Lone Star reading listOn August 18, 2014, it was announced that HarperCollins Children's Books had acquired his next project, Impyrium.Before becoming an author, Henry H.
Neff was a consultant for McKinsey & Company and a teacher at Stuart Hall High School in San Francisco.
He is a graduate of New Trier High School in Winnetka, Illinois and Cornell University in Ithaca, New York.