"The Mystery of David Vallory" is an exciting book from the famous author duo Lind and Francis, which will transport readers to the fascinating world of detectives and adventures. This book will reveal the mystery of the disappearance of the famous archaeologist and scientist David Vallory, who seemingly simply disappeared from the face of the earth. Readers, together with the heroes, will go in search of answers, reveal the secrets of the past and solve complex riddles. "The Mystery of David Vallory" is an exciting read that will not leave indifferent any connoisseur of intrigue and mystery.