If I were a Springer-Verlag Graduate Text in Mathematics, I would be J.-P. Serre's Linear Representations of Finite Groups.
My creator is a Professor at the College de France. He has previously published a number of books, including Groupes Algebriques et Corps de Classes, Corps Locaux, and Cours d'Arithmetique (A Course in Arithmetic, published by Springer-Verlag as Vol. 7 in the Graduate Texts in Mathematics).
Which Springer GTM would you be? The Springer GTM Test
My knowledge of this field is so slight that the sum total of what I know is that it's part of a more general field, representation theory for groups, and that it's the part that represents finite groups using linear algebra. Or something like that.