I want to self-study topology and manifolds to reach knot theory (I've already started with point-set topology) and Im planning on reading "An Introduction to Manifolds by Loring W. Tu" but I dont know if I will need some differential geometry or if it has differential geometry.
Suggestions of books to read about differential geomtry are appreaciated.
Suggestions on what to read after manifolds are also appreciated.
Thanks