Nancy Drew The Invisible Intruder Value Guide

First published in 1969, The Invisible Intruder is the 46th volume in the iconic Nancy Drew Mystery Stories series, featuring a classic ghost-hunting plot. This specific era of production is highly collectible for its nostalgic 'yellow spine' design, representing the transition of the series under the direction of Harriet Adams.

What Is Nancy Drew The Invisible Intruder Worth?

The typical price range for Nancy Drew The Invisible Intruder is $8 - $12 based on recent sales. However, values can vary depending on the item's condition, rarity, and other factors such as:

• Overall condition of the cardboard cover, specifically looking for corner wear or 'bumping'.
• The presence of any previous owner's name or 'belongs to' inscriptions on the internal pages.
• Structural integrity of the binding and whether the yellow pigment on the spine has faded from light exposure.
• The specific printing year, as earlier 1969 editions may command the higher end of the $8-$12 range.

How to Identify Nancy Drew The Invisible Intruder?

• Look for the distinctive yellow spine and matte finish cover characteristic of the 1969-1975 production era.
• Verify the title number 46 on the spine and front cover to ensure it matches the series chronology.
• Check the copyright page for the Carolyn Keene pseudonym and the 1969 original publication date.
• Confirm the presence of internal illustrations printed on standard book paper rather than glossy stock.

History of Nancy Drew The Invisible Intruder

First published in 1969, this mystery features Nancy Drew and her friends hunting ghosts. The series was written under the pseudonym Carolyn Keene by several ghostwriters, with this specific volume likely penned by Harriet Adams. It is a quintessential example of the 'yellow spine' era of Nancy Drew books that were ubiquitous in American childhoods throughout the mid-to-late 20th century.