Harry Kaplan's Adventures Underground

Ceo: Building a Four Hundred Million Dollar Company from the Ground Up

Burial Ground: An Alan Graham Mystery (Alan Graham Mysteries)

Fall Of Camp A-555 (Vietnam Ground Zero, No 4)

Unconfirmed Kill (Vietnam Ground Zero, No 3)

The Groundwater Diaries: Trials, Tributaries and Tall Stories from Beneath the Streets of London

Underground Railroad (Handbook (United States. National Park Service. Division of Publications), 156.)

Han Holzer's haunted America

On Burning Ground: A Son's Memoir

Haunted Lakes: Great Lakes Ghost Stories, Superstitions and Sea Serpents (Haunted Lights)