Update (4/5): Now discounted by $7.23 on Amazon. If you already pre-ordered, you should automatically get the lower price.
Original (4/3): An Amazon listing for a book titled “Shovel Knight: Official Design Works” has gone up with a price of $39.99. This should be one of a few books Udon Entertainment announced in 2015.
The product description is as follows:
Shovel Knight is a sweeping classic action adventure game with awesome gameplay, memorable characters, and an 8-bit retro aesthetic created by Yacht Club Games.
Shovel Knight: Official Design Works collects the fun and original artwork behind this landmark title. Inside you’ll find key art, character concepts, enemy designs, sprite sheets, unused ideas, and an all-new Shovel Knight tribute art gallery! This epic tome is also packed with creator commentary, as well as exclusive interview with the Yacht Club Games team.
It appears to be 184 pages long, and is slated to be releasing later this year on August 29th according to the listing. There’s been no official announcement or comment from Yacht Club Games about this as of yet. You can see the page for yourself here.