In this volume collecting SWAMP THING #12-18 and ANIMAL MAN #12 and 17, Swamp Thing finds unlikely allies in Deadman and Poison Ivy as he ventures into Gotham City to find the man who always has all the answers: Batman. But can the Caped Crusader help Swamp Thing break Rotworld's hold over Earth?

In this second collection, Swamp Thing must battle his way through the Bone Kingdom and The Rot to free his ally-and ex-girlfriend-Abigail Arcane. But will the cost of freeing her be...fighting her? Nothing, not even this titanic battle, will prepare Swampy for what he has to face next: a resurrected and even more dangerous Anton Arcane!

Many years ago when Alec Holland met with Anton Arcane, and this meeting has created consternation, whose name Rotworld! This addition to the tale of monsters and madmen is considered one of the greatest rivalries in the universe of DC!

Alec Holland came back to life ... but someone has him your plans. Evil has reared its monstrous head, and the monster has come to the defense of life on Earth!

Alec Holland came back to life ... but someone has him your plans. Evil has reared its monstrous head, and the monster has come to the defense of life on Earth!

Many years ago when Alec Holland met with Anton Arcane, and this meeting has created consternation, whose name Rotworld! This addition to the tale of monsters and madmen is considered one of the greatest rivalries in the universe of DC!

Drill true identity is revealed, but what is required in the role of Alex's Avatar Green is becoming more challenging!