Reddit reviews Mid-Century Modern: Interiors, Furniture, Design Details (Conran Octopus Interiors)

Here's a few:

Mid-Century Modern: Interiors, Furniture, Design Details (Conran Octopus Interiors)

Making Midcentury Modern

Mid-Century Modern Furniture: Shop Drawings & Techniques for Making 29 Projects

Handcrafted Modern: At Home with Mid-century Designers

Mid-Century Modern: Interiors, Furniture, Design Details

Amazon link

It depends on what you consider cheap. Used options for all of these are available at very reasonable prices, though I don't personally think that the new prices are super high, though I do know of the more expensive books you've probably seen like the Wegner book for closer to a hundred.
http://www.amazon.com/Danish-Modern-Andrew-Hollingsworth/dp/1586858114/ref=sr_1_1?ie=UTF8&qid=1450038421&sr=8-1&keywords=danish+modern

http://www.amazon.com/Eames-Gloria-Koenig/dp/3836560216/ref=sr_1_3?ie=UTF8&qid=1450038421&sr=8-3&keywords=danish+modern

http://www.amazon.com/Mid-Century-Modern-Interiors-Furniture-Details/dp/1840914068/ref=sr_1_4?ie=UTF8&qid=1450038421&sr=8-4&keywords=danish+modern

http://www.amazon.com/Danish-Modern-Beyond-Scandinavian-Heywood-wakefield/dp/0764322168/ref=sr_1_7?ie=UTF8&qid=1450038421&sr=8-7&keywords=danish+modern

This is the one I would get:

http://www.amazon.com/Scandinavian-Modern-Magnus-England/dp/1849754349/ref=sr_1_5?ie=UTF8&qid=1450038421&sr=8-5&keywords=danish+modern

Design of the 20th Century (Taschen)
http://www.taschen.com/pages/en/catalogue/design/all/45407/facts.design_of_the_20th_century.htm

Mid Century Ads (Taschen)
http://www.taschen.com/pages/en/catalogue/popculture/all/04461/facts.mid_century_ads.htm

Mid-Century Modern: Interiors, Furniture, Design Details
http://www.amazon.com/Mid-Century-Modern-Interiors-Furniture-Details/dp/1840914068/

A Constructed View: The Architectural Photography of Julius Shulman
http://www.amazon.com/Constructed-View-Architectural-Photography-Shulman/dp/0847817776/

Visual Acoustics: The Modernism of Julius Shulman
http://www.amazon.com/Visual-Acoustics-Modernism-Julius-Shulman/dp/B00366BBU8/

Tiki Pop: America Imagines Its Own Polynesian Paradise (Taschen)
http://www.taschen.com/pages/en/catalogue/popculture/all/02897/facts.tiki_pop_america_imagines_its_own_polynesian_paradise.htm

Eames: The Architect and The Painter
http://www.imdb.com/title/tt1972646/

And, believe it or not, Playboy issues are an excellent way to delve into design and culture of the 50s, 60s and 70s. From 1953 - 1979, Playboy published features and profiles on some of the most esteemed architects and designers of the 20th century.

http://www.fastcodesign.com/1671824/how-playboy-magazine-helped-make-eames-and-mies-famous

An exhibit in the Netherlands in 2013 recognized their contribution to the popularity of modern architecture and design.

http://www.archdaily.com/276467/playboy-architecture-1953-1979/

http://www.bureau-europa.nl/en/manifestations/playboy_architecture_1953_1979/

Here's a scan of my copy of the issue with the famous feature with Eames, Risom, Saarinen, Nelson, Bertoia and Wormley:

http://imgur.com/a/9759s#0

I think this book on interior design could be cool, or even this book, which details the history of makeup. I'm sure she'd love that one.

I think having an interest in makeup is fine, and as long as she feels confident and isn't hurting anyone, I don't think you need to worry :)

Since she's studying interior design, I'm sure she needs a portfolio. She might really like a nice portfolio book for showing off her work.