A ninth collection of classic Peanuts newspaper comic strips covers the period 1959 -1960 and sees the introduction of Charlie Brown's sister, Sally. This book is a facsimile edition of the ninth Peanuts collection originally published back in 1960 by the Clarke, Irwin & Company, Ltd of Toronto, Canada.

This collection of daily newspaper strips covers the period 1959 - 1960 and features the introduction of Charlie Brown's baby sister, Sally who was the first new character in five years to be added to the strip.