Erin Hunter

Fireheart, a full-fledged warrior cat, must confront questions of loyalty and identity as he faces the possibility of betrayal from within his own forest clan. Fireheart is a ThunderClan warrior now, but his troubles are far from over. The cats of the RiverClan are growing restless, while WindClan is weak and facing threats from all sides. Fireheart faces imminent battle-- but doesn't realize he also faces betrayal from within his own Clan. -- adapted...

Gravely injured, Frostpaw places her trust in a young warrior, convincing him to protect her as she follows StarClan's cryptic directions toward the roots of RiverClan, where she hopes to find the answers she so desperately seeks while staving off a war between the clans.

The warrior cat Fireheart's determination to uncover the truth about another warrior's death leads him deep into danger, and reveals secrets that test the strength of clan loyalties.

Moons have passed since six cats set out on a journey to save their Clans. Meanwhile, back in the forest, Firestar and Leafpaw watch ThunderClan's world crumbling around them. Will the questing cats make it back in time, or will they be too late?"

"In the midst of the coldest leaf-bare any warrior can remember, the Clans have lost their connection with their warrior ancestors, and only one ShadowClan apprentice can still hear their voices--or their warning about the new shadow rising within the warrior Clans"--

Fireheart, the warrior cat, faces many challenges in his new role of ThunderClan deputy as his apprentice, Cloudpaw, resists following the warrior code, Bluestar weakens, and Tigerclaw continues to haunt the forest seeking revenge.

"Exiled after a battle that left all five Clans devastated, ThunderClan's deputy, Squirrelflight, reveals the identity of the fake Bramblestar and fights for the return of the real one"--

As Dovepaw, Jayfeather, and Lionblaze strive to understand and fulfill the prophecy that promises them great power, the cats of the Dark Forest begin to teach battle skills and techniques to different Clan cats through dreams.

"ThunderClan's leader, Bramblestar, has been behaving erratically after losing one of his nine lives, and suspicion is quickly spreading across Clan borders. And when a strange apparition sparks unrest in SkyClan and ShadowClan, each warrior must decide where their allegiances lie--with their Clan, or the warrior code itself"--

"The imposter walking in Bramblestar's pawsteps retreats to the Dark Forest, where the other Clans must follow if they hope to restore their connection with their ancestors in StarClan"--