Especially when they come tied up in festive little packages, like this one:
The library owns two copies of this book. One is in the rare book room, the other is now in my house.
For the record, this is Soundings of the Atlantic, an 1864 collection of Oliver Wendell Holmes essays originally published in Atlantic Monthly. It is gift-wrapped because it is fragile, and so old that it had to be retrieved from Oak Street Storage, the mythical place where old books go to retire.
This copy should probably be in the rare book room too, and not made available for check-out to ruffians like me. But I will take good care of it, I promise. And I must admit, there's something sort of reverent and meaningful about carefully untying the book, reading several pages, then carefully tying it back up again. We should all treat one another's work with such care.