Howdy Up for sale today is Spacetime and Geometry : An Introduction to General Relativity by Sean B….. Book has a slant*** on bind*** Please carefully read the description & inspect the photos for any issues. Ship days are Monday, Wednesday & Friday. Weekend orders will not be shipped until next available business day. – If you have any questions or concerns, feel free to send me a message and I’ll get back to you as soon as possible. A10