This is the original Sketchbook Edition of Gianni's Illustrated Call of Cthulhu. This hardcover had a limited print run for Kickstarter supporters of the Hellboy Into the Silent Sea Studio Edition.
The book: The Call of Cthulhu by H.P. Lovecraft with over 100 pencil drawings by Gary Gianni. Plus, the story "The Sea Raiders" by H.G. Wells with 10 pencil drawings by Gary Gianni. Designed and edited by Marcelo Anciano. (Note: H.P. Lovecraft's 1928 text has been revised in this book to exclude racial terms.)
This edition is out of print. A new redesigned edition with reworked illustrations was published in 2021.