What should be in every good airgunners library?

I am a big fan of books. I know lots of information can be found on the web but I am wondering what you guys would recommend. Whether it's a bluebook for prices, instructional shooting techniques or rules for field target or other competitions. Anything goes so what do you guys have in your shelves.... Or wish you had? For my part I really want to get a copy of a book that has the Lewis and Clark story in it. I think that would be really interesting. I also want the bluebook with all the values of the old guns. 
 
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Also a fan of gun books. I have many shooting books, have not found many specific to airguns. I recommend:

Long Range Shooting by Cleckner

Rifle Steps to Success by Meili (3 position)

Air Rifle Training & Competition by Heinz Reinkemeier & Gaby Bühlmann (just ordered from Champion's Choice; hard to find; expensive at $64)

Need to get a book on FT, and maybe bench rest
 
It truly depends on what type of shooting is being done. These books are in my libaray-

YurYev’s Competitive shooting-

https://durant7.blogspot.com/2011/05/a-yuryevs-competitive-shooting-books.html

(EDIT: the MEC links ONLY work if you switch from DEUTSCH, to ENGLISH, in the top right, after clicking on them.)

MEC Pistol Shooting-

https://shop.mec-shot.com/literatur/english-literature/buch-pistol-shooting.html



MEC Ways of the Rifle-

https://shop.mec-shot.com/literatur/english-literature/buch-ways-of-the-rifle-2009.html



MEC Air Rifle Training and Competition-

https://shop.mec-shot.com/literatur/english-literature/buch-air-rifle-training-competition.html


Here is a recommended reading list that JG Airguns put out-

https://www.jgairguns.biz/recommended-reading-ezp-3.html