- July 1, 1988
- July 2, 1988
- July 3, 1988
- July 4, 1988
- July 5, 1988
- July 6, 1988
- July 7, 1988
- July 8, 1988
- July 9, 1988
- July 10, 1988
- July 11, 1988 (This strip is used on the page for March 2 of the Dayspring Peanuts A Year's Worth of Smiles and Blessings Desk Calendar)
- July 12, 1988 (This strip is adapted in Lucy Must Be Traded, Charlie Brown)
- July 13, 1988
- July 14, 1988
- July 15, 1988
- July 16, 1988
- July 17, 1988
- July 18, 1988
- July 19, 1988
- July 20, 1988
- July 21, 1988
- July 22, 1988
- July 23, 1988
- July 24, 1988
- July 25, 1988
- July 26, 1988
- July 27, 1988
- July 28, 1988
- July 29, 1988
- July 30, 1988 (This strip is adapted in Why, Charlie Brown, Why?)
- July 31, 1988 (This strip is adapted in It's Spring Training, Charlie Brown!)
