The complete text of "The Hound of the Baskervilles" by Arthur Conan Doyle is available here in PDF format. The Hound of the Baskervilles, which was first released in 1902, is 233 pages pages long.

The complete text of "The Strange Case of Dr Jekyll and Mr Hyde" by Robert Louis Stevenson is available here in PDF format. The Strange Case of Dr Jekyll and Mr Hyde, which was first released in 1886, is 96 pages pages long.