A lot of older paperbacks seemed to use a lower grade of woodchip fibre and truly awful glue. Admittedly I live in the subtropics which is very unkind to books

A lot of older paperbacks seemed to use a lower grade of woodchip fibre and truly awful glue. Admittedly I live in the subtropics which is very unkind to books but it's my airport thrillers, cheap scifi and old penguin and pelican books.