An Old Friend of the Family

From Author Wars - https://authorwars.com/publications/an-old-friend-of-the-family-286656.html

Overview:

Title: An Old Friend of the Family
Author: Fred Saberhagen
Year: 1981
ISBN-10: 0441621619
Publisher: Ace Books
Price: $2.50
Pages: 247
Binding: Paperback
Type: Novel
Title Reference: An Old Friend of the Family
Notes:
No printing or edition stated [at least the third printing as the second was in May '81] Artist uncredited, but signature clearly visible {{OCLC|226988944}}, specific to ISBN but no printing mentioned