The New Penguin Dictionary of Abbreviations
From Tardis Wiki, the free Doctor Who reference
The New Penguin Dictionary of Abbreviations was a book published by (TV: Everything Changes) Penguin Books. (COMIC: The Train in Vain and the Junkmail Messiah)
Toshiko Sato owned a copy at some point in the 2000s, keeping it on a shelf between A Tale of Two Cities and The Quantum Theory of Fields I. (TV: Everything Changes)