What's the oldest (longest owned, not actual oldest) book you have had sitting on your tbr? Idk how long I've owned this one, but the copyright date is 1981 (I was 6, so I'm sure I've not had it quite that long). I recently read a book that I've had since high school (I graduated in 1992), though, and it got me thinking why I hold onto books for so long. What's your record of longest tbr?