DURING THE ACADEMIC YEAR 1961–62, the only year for which reliable information has been collected, almost 190 000 students were enrolled in the first term of one of approximately 1700 introductory physics courses offered by the nation's two‐ and four‐year colleges, universities and technical institutes. A reasonable extrapolation of these figures from the intervening six years suggests that this spring and summer about 2000 physics professors must decide either to continue using their present introductory texts or to select a new one from among a dozen or two that are intended for their particular kind of introductory course. These decisions determine what books are purchased by well over 200 000 students next fall, and how the $1 or $2 million gross receipts from the sale of new introductory physics textbooks are distributed among the various publishers.
Introductory physics textbooks
Peter G. Roll; Introductory physics textbooks. Physics Today 1 January 1968; 21 (1): 63–71. https://doi.org/10.1063/1.3034743
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