The Intuition of Rope, by Elias Weaver. A volume all about rope. Everything from setting up a ropewalk, making rope, using rope, selecting materials, weaving a rope back into itself, using grass or bark to make rope, as well as all manner of knotlore. Anyone managing to stay awake long enough to thoroughly peruse this extensive manual (YAWN!... Buh?) cannot help but acquire Competence Bonii to Craft (Ropemaking) and Rope Use skills, as well as receiving +2 Circumstance Bonii in GM-detailed situations (such as untying oneself).
The Way of the Warrior, by Ihave Tao. A manual on the way of the warrior, dealing specifically with attack, defense, and the principle of immediacy. Not for the subtle.
Information Gathering, by Ilsa & Tombarro Mitheithel. A Drow manual on information extraction, dealing mostly with torture, but also detailing the uses of magic & seduction, among other methods. Written in Drow, of course.
Exercizes In Futility, by SteveC. Obscure riddles and a manual on perseverance.
Why It Doesn't Matter, by Priggle. A Deep Gnomesh view of the Multiverse.
The 47 Keys, by Solomon. A treatise on Magic.
The Book of Shadows, by (Name smudged). A text on Shadowmagic, as well as giving the reader Knowledge (The Planes) concerning the Plane of Shadow. Also details Adept and Darkness magics, as well.
Advanced Thaumaturgy, by Illorin. One of the bases of modern magic. An original edition, and worth more than a pretty penny!
Advanced Necromany, by Morgoth Bauglir. Undead, made easy, as well as pre-basics for most modern Necromancy, and a fully detailed ritual for creating Werewolves.
Rhas Al-Ghul, by Elliot Pictman. All about Ghouls and Ghasts. Written in some strange, non-ghoulish script.
Frankenstein, by Mary Shelley. A story of a self-willed Flesh Golem.
The Helcaraxe, by Ingold Inglorion. A tale of an early Elven people crossing the Grinding Ice.
Myths of Myth Drannor, by (Smudge), the Red Wizard. Mths of a realm that is forgotten.
"Divination" is a Misnomer!, by Longius Pedantius. A volume on Divinations vs. true prophecy. Contains many, many, spells of both. Copies are in 17 volumes, but the original edition is in one.
Foretelling, and Forth-Telling: Prophecy Explained, by Garius Minasticus. A religious tome on the gift of Prophecy, and how it works, in many times, cultures, and religions. Written in Common, by a Human author.
Valendo: The Great & Terrible; Precursor of Angels!, by Mooglooglitus Obfuscatius. Another tome about Valendo, and the destruction that he brought upon the Illithids, by a Mind Flayer who takes the other side from Illithidus Purgatis Rex, above.
451 Veneral Diseases, by Imater. A book no one wants to be seen reading. Everything you ever wanted to know about VDs.
Defenders of Daybreak: The Complete Adventures, by (Skeletal Handprint). Supposedly the first of 47 volumes, the rest don't seem to be present. This one details a group of heroes in their Pre-Eversink days, battling enemies of Galanna, the Naure goddess. The unknown author is erudite, literate in many tongues, and seems to have known the DoD intimately.
My Children, by Vlad, the Impaler. Written in the same unreadable tongue as The Holy Bible, above, this book details much about Vampires, and their origins. Oddly, however, the details of slaying them all seem to be confused, and most have no affect, whatsoever!