How to identify a Atheneum first edition
Atheneum states “First Edition” on the copyright page and added a number line in the mid-1980s.
What to look for, by period
1959 – mid-1980s
“First Edition” on first printings.
mid-1980s – today
“First Edition” plus a number line.
Dates are approximate. Imprints and individual titles sometimes differ; for valuable books, check a bibliography of the author.
Check your Atheneum book
New to number lines? Read how to read a number line, and how to spot a book club edition.