: Unlike many textbooks that skip "trivial" steps, the authors provide elaborate, fully worked-out solutions.

This is the gold standard. It contains nearly 500 problems with incredibly detailed solutions. It is widely available online as a legal PDF through various academic archives.

: Contains a full digital version available for subscribers or via upload-exchange. : Offers the book as an eBook-PDF for online reading. Alternative Problem Sets UBC Physics Solved Problems

: Provides the abstract and cataloging information for the text. ResearchGate

(Note: If the above link changes over time, search Google for: "Matt Visser relativity problems PDF")

Additionally, you can find the legendary as a legal PDF through university library systems if you have a student login (via Springer or Princeton University Press e-editions).

Understanding Lorentz transformations, four-vectors, and relativistic dynamics.

Conclusion A well-crafted collection titled "300 Problems in Special and General Relativity with Complete Solutions" would be an exceptional resource for advancing from textbook understanding to confident problem-solving in relativity. Its greatest value lies in diverse, well-explained problems that illuminate both calculation techniques and physical insight.