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Physics bookshelf
Schaum's Outline of College Physics, 10th edition (Schaum's Outline Series)Schaum's Outline of College Physics, 10th edition (Schaum's Outline Series) by Frederick J. Bueche
Buy new: £5.48 / Used from: £5.84
Covers a lot of physics that is useful before undergraduate study.
A First Course in General RelativityA First Course in General Relativity by Bernard F. Schutz
Buy used from: £29.99
A good primer for general relativity.
General Theory of Relativity (Physics Notes)General Theory of Relativity (Physics Notes) by P. A.M. Dirac
Buy new: £12.29 / Used from: £9.50
Very concise mathematical approach to general relativity. Everything explained very clearly by the great Dirac himself.
Schaum's Outline of Advanced Calculus, Second Edition (Schaum's Outline Series)Schaum's Outline of Advanced Calculus, Second Edition (Schaum's Outline Series) by Robert C. Wrede
Buy new: £5.47 / Used from: £4.00
Good for reinforcing an already working knowledge of basic calculus.
Relativity DemystifiedRelativity Demystified by David Mcmahon
Buy new: £7.11 / Used from: £5.38
Allows another approach to general and special relativity - explaining everything as it goes.
The Special Theory of Relativity (Routledge Classics)The Special Theory of Relativity (Routledge Classics) by David Bohm
Buy new: £8.48 / Used from: £5.61
A fairly elementary introduction to special relativty. Does not go into too much mathematical detail, unfortunately.
The New Cosmic Onion: Quarks and the Nature of the UniverseThe New Cosmic Onion: Quarks and the Nature of the Universe by Frank Close
Buy new: £21.99 / Used from: £19.76
A thorough qualitative explanation of the standard model.
Schaum's Outline of Vector Analysis (Schaum's Outline Series)Schaum's Outline of Vector Analysis (Schaum's Outline Series) by Murray R Spiegel
Buy used from: £8.99
With a basic knowledge of vectors can rapidly expand the amount one can do with them. It is, however, not particularly good at explaining the more advanced concepts in a way that is easy for a novice.
CalculusCalculus by Michael Spivak
Buy new: £24.57 / Used from: £22.46
A very thorough book covering algebraic calculus from head to toe.
The Scalar-Tensor Theory of Gravitation (Cambridge Monographs on Mathematical Physics)The Scalar-Tensor Theory of Gravitation (Cambridge Monographs on Mathematical Physics) by Yasunori Fujii
Buy new: £25.64 / Used from: £30.32
Relativity on Curved Manifolds (Cambridge Monographs on Mathematical Physics)Relativity on Curved Manifolds (Cambridge Monographs on Mathematical Physics) by F. de Felice
Buy new: £45.60 / Used from: £31.90
Calculus of VariationsCalculus of Variations by Gelfand & Fomin
Buy new: £5.00 / Used from: £2.90