CHEM 31A, EARTHSYS 2 & MATH 19-21 textbooks for sale

$40 - Principles of Chemistry (Fourth Edition) by Tro
used for: autumn CHEM 31A & winter CHEM 31B

$30 - Geochemistry (Second Edition) by White
used for: autumn EARTHSYS 2

$20 - Calculus (Volume 1) from OpenStax
used for: all year MATH 19-21

$20 - Calculus (Volume 2) from OpenStax
used for: all year MATH 19-21