King Ultramega's revolving lineup features members of Alice in Chains, Mastodon, Metal Allegiance, and Anthrax and Pantera for its debut release.
Cameron first joined Pearl Jam in 1998, following the initial dissolution of Soundgarden the year prior.
"Just hearing Chris’ voice helps, I know he did that for everyone he knew," Shepherd wrote on the eighth anniversary of Cornell's passing.
Speculation as to the future of Death Grips arose in February when supposedly leaked messages from producer Andy Morin cast doubt on their current status.
The new book will collect “handwritten lyrics, deeply personal poetry, stunning original artwork, rare photos, [and] fan tributes” from the late Alice in Chains frontman.
