Pathfinder RPG Bestiary 5 - Rules of Play says:
Creatures strange beyond imagining and more terrifying than any nightmare lurk in the dark corners of the world and the weird realms beyond. Within this book, you'll find hundreds of monsters for use in the Pathfinder Roleplaying Game. Face off against devils and dragons, deep ones and brain moles, robots and gremlins, and myriad other menaces!
Pathfinder RPG Bestiary 5 includes:
- More than 300 different monsters.
- New player-friendly races like caligni dark folk, deep one hybrids, plant-bodied ghorans, and simian orang-pendaks.
- Psychic creatures both benevolent and terrifying, from the enigmatic anunnaki and faceless astomoi to the howling caller in darkness and insidious, alien grays.
- New familiars, animal companions, and other allies, such as clockwork familiars, red pandas, and many-legged wollipeds.
- New templates to help you get more life out of classic monsters.
- Appendices to help you find the right monster, including lists by Challenge Rating, monster type, and habitat.
- Expanded universal monster rules to simplify combat.