Student Package Flexibility -
Lerner's Physics for Scientists and Engineers is available in several student package selections.  To allow for complete course flexibility, the Standard Edition is hardbound and includes thirty-seven chapters of classical physics and two separate chapters on relativity for  a total of thirty-nine chapters. Also available is a paperbound Volume 1 containing chapters 1-22 and a paperbound Volume 2 containing chapters 23-45. Modern Physics is a paperbound volume that includes chapters 38 and 39 on relativity and chapters 40-45 with material on modern physics.