From publisher blurb:
Within are hundreds of stat-blocks for forty classic monsters, from Ankheg to Wyvern, all with advanced hit die and a selection of templates, variant builds and class levels applied to give a massive range of monsters ready for use in your Pathfinder game.
Now in standardised Pathfinder stat-block format for greater compatibility, and featuring loads of new and exciting templates from Open Content sources.
Want a Two-Headed Cockatrice? A Shadow Terror Wyvern? An Otyugh Crime Boss? Demon-Possessed Mimic? Huge Ectoplasmic Chuul? Fiendish Hook-Clawed Owlbear? Manticore Burning Skeleton?
These and many more ready-to-run monsters can be found within.
CR 1/3 to 26, fully clickable index cross-referenced by CR, templates and monster roles to easily find what you need.