For generations, four Clans of wild cats have shared the forest according to the laws laid down by their warrior ancestors. But the ThunderClan cats are in grave danger, and the sinister ShadowClan grows stronger every day. Noble warriors are dying—and some deaths are more mysterious than others. In the midst of this turmoil appears an ordinary house cat named Rusty . . . who may turn out to be the bravest warrior of them all.

Fireheart could hear a roaring around him, like wind in tall trees. The acrid stench of the Thunderpath stung his nostrils, together with a new smell, sharper and more terrifying. Fire! Book Two of WARRIORS continues Fireheart's quest to be a true warrior, when he finds new danger lurking in the woods as the chill of winter sets in. WindClan is missing, and hostilities between the remaining three clans place all the cats in peril. Illness and tragic accidents weaken the camp, and ThunderClan needs all its warriors to defend itself - but Fireheart suspects that certain cats may not be as loyal as they appear.

Allegiances are shifting among the Clans of warrior cats that roam the forest. With tensions so delicately balanced, former friends can become enemies overnight, and some cats are willing to kill to get what they want. Fireheart is determined to find out the truth about the mysterious death of brave ThunderClan warrior Redtail. But as he searches for answers, he uncovers secrets that some believe would be better left hidden.

Fireheart's traitorous enemy Tigerclaw has been vanquished and exiled from Thunder Clan—but Fireheart can't shake the feeling that he's lurking in the forest, waiting for his chance to strike. That's not the only problem facing the young warrior in these blazing summer months, as he struggles to handle sinister omens, an apprentice with a shocking secret, and a devastated Clan leader who is a shell of her former self. Meanwhile the forest gets hotter and hotter ... and everyone braces for the coming storm... Ages 10+.

ShadowClan has a dark new leader, but will he be satisfied with his power now—or does his desire for revenge burn even more strongly? Fireheart fears that there is a connection between the rise of Tigerstar and the terrible dreams that haunt his nights, murmuring of danger and death.Meanwhile, a mysterious and vicious threat unlike any other has invaded the forest, placing every cat's life in peril. Fireheart's beloved leader has turned her back on their warrior ancestors, and Fireheart can't help but wonder if she's right. Has StarClan abandoned them forever?

ThunderClan's darkest hour is upon them, as Tigerstar's quest for power plunges all the Clans into the most terrible danger any cat has ever faced. In order to save his Clan and his friends, Fireheart must uncover the meaning of an ominous proclamation from StarClan: "Four will become two. Lion and tiger will meet in battle, and blood will rule the forest." The time has come for prophecies to unfold, and for heroes to rise ...

Original Warriors series of paperbacks by Erin Hunter