Jlsathre，25 Things I Learned From Opening a Bookstore：

Lesson 16. Most people think every old book is worth a lot of money. The same is true of signed copies and 1st editions. There's no need to tell them they're probably not ensuring financial security for their grandkids with that signed Patricia Cornwell they have at home.

Lesson 17. There's also no need to perpetuate the myth by pricing your signed Patricia Cornwell higher than the non-signed one.

潔莎特（Jlsathre）是美國伊利諾州的一位退休律師，孩子長大後決定改行開一家舊書店，而領悟出25條人情世故：

法則16. 很多人以為每一本舊書都很值錢，或者簽名版、首版在將來可能升值，你沒必要提醒他們派特麗夏．康薇爾（Patricia Cornwell，美國作家，作品銷量超過1億冊）的簽名版圖書即使流傳到他們的孫子輩都不可能升值的事實。

法則17.你同樣沒有必要把派特麗夏．康薇爾的簽名版圖書售價定的比非簽名版高來延續這個簽名版會升值的神話。