9780689872181 | Reissue edition (Aladdin Paperbacks, November 30, 2016), cover price $5.99
9780448436920 | Grosset & Dunlap, April 21, 2005, cover price $7.99 |
About this edition: When an amnesia victim appears in River Heights with a royal Hindu ring in his possession, Nancy Drew is called in to help learn his identity.
9780671423445 | Pocket Books, November 1, 1981, cover price $9.95 |
About this edition: Searching for an amnesia victim's identity, Nancy is soon involved in another assignment concerning a music festival boycott, but she discovers the two assignments are intricately linked
9780671624675 | Reissue edition (Pocket Books, October 1, 1986), cover price $3.50 |
About this edition: Searching for an amnesia victim's identity, Nancy is soon involved in another assignment concerning a music festival boycott, but she discovers the two assignments are intricately linked