The Hound of the Baskervilles/White Fang/Dr Jekyll and Mr Hyde

From Author Wars - https://authorwars.com/books/the-hound-of-the-baskervilleswhite-fangdr-jekyll-and-mr-hyde-2474462.html

Overview:

Title: The Hound of the Baskervilles/White Fang/Dr Jekyll and Mr Hyde
Author: Arthur Conan Doyle Jack London Robert Louis Stevenson
Year: 1999
Type: Omnibuses

Variant Titles:

1999. The Hound of the Baskervilles/White Fang/Dr Jekyll and Mr Hyde