: Reviewers on Reddit highlight Tu's "tireless" restating of definitions and notation, which makes working through the exercises much more manageable than in other more "labyrinthine" differential geometry texts.

: By delaying point-set topology to the appendix, Tu allows readers to get into the "meat" of the exercises—such as computing de Rham cohomology—much faster than alternative texts like those by John M. Lee. Alternative Solution Resources

: The exercises are described as "quite solvable" and excellent for self-study, bridging the gap between concrete multivariable calculus and abstract manifold theory.

If you are looking for more exhaustive or alternative solution sets for this subject, consider these highly-rated workbooks and guides: