From publisher blurb:
Make Red Dragons Rule Anew.
20 Variant Foes: Red Dragons saves you time while instilling a sense of dread and the wonder of the unknown back into the game, even for those jaded players who have memorized the Bestiary. It cover 20 different variants for each CR ranging from 3 to 30, making it useful for Game Masters at all levels of play.
Encounter crimson tyrants of the crags such as the feral young red dragon the locals name The Beast of Savage Fire; challenge the advanced hellfire old red dragon Omug, The All-Consuming Flame; or end your days fighting the divine ravener, ancient red dragon, and divine channeler Unja the Undying Fire!
From the lowliest unhinged wyrmling red dragon to an accelerated bipedal dread mummy undead lord very young red dragon diviner 11/loremaster 10, you will find the complex stat blocks you have come to expect from Justin P. Sluder who helped bringing you the statblocks for the Faces of the Tarnished Souk series.