Anyone seen mistakes like these in a textbook?

[fourier jr]

these go a little beyond the usual typo or hole in a proof:

art history book with no pictures:

here are the rest

http://www.topdegreesonline.org/posts/10-outrageous-textbook-blunders/

 

[STEMucator]

It's astonishing how much people pay for books and how poor the quality is. No wonder there's so much academic debt and no one understands how to pay it....

I lol'd at some of those though, the one with the arrow is just over the border.