Brambleclaw became deputy in the Sixth book of the second series.
Brambleclaw became deputy in the book "Moonrise" in the Warriors series by Erin Hunter.
Brambleclaw becomes deputy in Sunset which is the last book of the second series.
Squirrelflight's mate after Brambleclaw is Leafpool's son, Lionblaze. They become mates in the book series "Warriors."
Actually, he does become leader in the last book because Firestar dies.
Brambleclaw became a warrior in the book "Warriors: The New Prophecy: Midnight" by Erin Hunter. In this book, Brambleclaw completes his warrior training and receives his warrior name, Brambleclaw, after proving his loyalty and skills to his Clanmates. As a warrior, Brambleclaw takes on new responsibilities and duties within ThunderClan, showcasing his growth and dedication to his Clan.
Yes, Brambleclaw becomes leader of ThunderClan in "Fading Echoes." Squirrelflight reacts with mixed feelings, as she is proud of Brambleclaw but also worried about their relationship changing. Leafpool is supportive of Brambleclaw, but also has concerns about how his leadership may affect the clan.
They become mates in the middle of the new prophecy and the beginning of the power of three. They never have kits and break up because Squirrelflight lies about having Jayfeather Lionblaze and Hollyleaf. Squirrelflight still wants to be Brambleclaw's mate however Brambleclaw does not.
The Erins have not revealed the book that Brambleclaw will die in, probably in the battle with the Dark Forest.
Brambleclaw and Squirrelflight fight in Starlight, through Twilight and nearly to the end of Sunset.
We don't know yet. And on a fan chat, they say that Brambleclaw will not become the next leader of Thunderclan. squirrelflight
Yes, Brambleclaw and Squirrelpaw develop a close friendship, but they do not become mates. Brambleclaw eventually becomes mates with Squirrelpaw's sister, Leafpool.
Not during the current series--right now, in the books, Firestar is leader, and Brambleclaw is deputy, meaning Brambleclaw will be Firestar's successor. But, when Brambleclaw becomes leader there is a chance Brackenfur (Brackenpaw) could become leader.