Into the Deepest, Most Unknowable Dungeon Vol. 11

Author Kakeru
Paperback
$14.99 US
On sale Jul 15, 2025 | 178 Pages | 9798893730128

ATTACK THE HEAD!

Jean and the girls stumble upon the waterlogged remains of an ancient underground civilization...and encounter the many-headed hydra! But these are no mere beasts—more heads means more brains, and soon it is siege tactics and war between humans and cunning, nigh unkillable, monsters! No magic! No cheats! Get balls deep in this isekai adventure, where intelligence and instinct collide!
KAKERU is a prolific Japanese manga creator best known for series including Mahou Shoujo Pretty Bell, Tenkuu no Tobira, Creature Girls, and Into the Deepest, Most Unknowable Dungeon.

About

ATTACK THE HEAD!

Jean and the girls stumble upon the waterlogged remains of an ancient underground civilization...and encounter the many-headed hydra! But these are no mere beasts—more heads means more brains, and soon it is siege tactics and war between humans and cunning, nigh unkillable, monsters! No magic! No cheats! Get balls deep in this isekai adventure, where intelligence and instinct collide!

Author

KAKERU is a prolific Japanese manga creator best known for series including Mahou Shoujo Pretty Bell, Tenkuu no Tobira, Creature Girls, and Into the Deepest, Most Unknowable Dungeon.

Three Penguin Random House Authors Win Pulitzer Prizes

On Monday, May 5, three Penguin Random House authors were honored with a Pulitzer Prize. Established in 1917, the Pulitzer Prizes are the most prestigious awards in American letters. To date, PRH has 143 Pulitzer Prize winners, including William Faulkner, Eudora Welty, Josh Steinbeck, Ron Chernow, Anne Applebaum, Colson Whitehead, and many more. Take a look at our 2025 Pulitzer Prize

Read more

Books for LGBTQIA+ Pride Month

In June we celebrate Lesbian, Gay, Bisexual, Transgender, Queer, Intersex, and Asexual + (LGBTQIA+) Pride Month, which honors the 1969 Stonewall riots in Manhattan. Pride Month is a time to both celebrate the accomplishments of those in the LGBTQ+ community and recognize the ongoing struggles faced by many across the world who wish to live

Read more