The book relies heavily on invariant notation (direct tensor notation). Most students struggle here because they must translate these into Cartesian or curvilinear coordinates to get a "result."
Nonlinear Solid Mechanics: A Continuum Approach for Engineering Nonlinear Solid Mechanics Holzapfel Solution Manual
by Gerhard A. Holzapfel is a cornerstone text for graduate students and researchers focusing on finite strain and computational mechanics. The book relies heavily on invariant notation (direct