Mostly Harmless
Douglas Adams
The Hitchhiker's Guide (5)
Max
James Patterson
Maximum Ride (5)
Cibola Burn
James S. A. Corey
The Expanse (4)
Darwin: A Very Short Introduction
Jonathan Howard
Very Short Introductions (35)
Reader's Guide - Part II
Wayne G. Hammond & Christina Scull
The J. R. R. Tolkien Companion and Guide (3)
Reader's Guide - Part I
The J. R. R. Tolkien Companion and Guide (2)
Chronology
The J. R. R. Tolkien Companion and Guide (1)