An Ajah of the Aes Sedai. The Brown Ajah forsakes the mundane world and dedicates itself to seeking knowledge. The head of the Brown Ajah is Jesse Bilal.
NS,Ch12 � The Brown Ajah quarters in the White Tower are plainly decorated compared to other Ajahs.
NS,Ch14 � The Blue Ajah is also a bit at odds with the White and Yellow over something in Altara a hundred years before. The Brown Ajah supports the White against the Blue, but supports the Blue against the Yellow.
TEotW,Glossary - The purpose of the Brown Ajah is given. It "forsakes involvement in the mundane world and dedicates itself to seeking knowledge."
TEotW,Glossary - Brown Ajah sisters bond only one Warder at a time.
TGH,Ch38 - Min is anxious to leave the White Tower because the Brown Ajah sisters are constantly badgering her about her ability.
TFoH,Prologue - All the Ajahs except White have networks of informants known as eyes and ears.