Tarzan: The Greystoke Legacy Under Siege

Tarzan: the Greystoke Legacy Under Siege is a novel written by Ralph N. Laughlin and Ann E. Johnson featuring Edgar Rice Burroughs's jungle hero Tarzan. It is the fourth volume in The Wild Adventures of Tarzan, a series of new works authorized and licensed by Edgar Rice Burroughs, Inc. It was first published by Edgar Rice Burroughs, Inc. in May 2017 in trade paperback, with a hardcover edition following in June of the same year.