The r/etymology Book List: Post your favourite books on etymology, historical linguistics and lexicography

ENGLISH:

• The Story of English by Robert McCrum
• The Adventure of English by Melvyn Bragg
• The Meaning of Everything: The Story of the Oxford English Dictionary by Simon Winchester
• Word Watching: Field Notes from an Amateur Philologist by Julian Burnside
• Semantic Antics: How and Why Words Change Meaning by Sol Steinmetz
• The Mother Tongue by Bill Bryson (of questionable quality)
• The Etymologicon by Mark Forsyth
• Righting the Mother Tongue by David Wolman

ENGLISH DICTIONARIES/REFERENCE:

• An Etymological Dictionary of Modern English by Ernest Weekley
• English Words from Latin and Greek Elements by Donald M. Ayers
• The Barnhart Concise Dictionary of Etymology by Robert K. Barnhart

GENERAL:

• Empires of the Word by Nicholas Ostler

GERMAN:

• Geschichte der deutschen Sprache by Wilhelm Schmidt
• Dtv-Atlas zur deutschen Sprache by Werner König
• Eine Zeitreise zu den Ursprüngen unserer Sprache - Wie die Indogermanistik unsere Wörter erklärt by Harald Wiese

I will update this list as everyone posts their faves. :) By the way, this absolutely includes dictionaries and reference works.