Narrated Jabir: The Prophet said, "Who will bring me the information about the enemy on the day (of the battle) of Al-Ahzab (i.e. Clans)?" Az-Zubair said, "I will." The Prophet said again, "Who will bring me the information about the enemy?" AzZubair said again, "I will." The Prophet said, "Every prophet had a disciple and my disciple is Az-Zubair. "
— Sahih Bukhari, Volume 4, Book 52: Fighting for the Cause of Allah (Jihaad), Hadith #99
Narrated Jabir: The Prophet said, "Who will bring me the information about the enemy on the day (of the battle) of Al-Ahzab (i.e. Clans)?" Az-Zubair said, "I will." The Prophet said again, "Who will bring me the information about the enemy?" AzZubair said again, "I will." The Prophet said, "Every prophet had a disciple and my disciple is Az-Zubair. "
This hadith is from the book of Fighting for the Cause of Allah (Jihaad) in Sahih Bukhari, compiled by Imam al-Bukhari. It is hadith number 99 in book 52 of volume 4.
