cookbook vs cook book

Some examples from the web:

• Simca and Louisette are writing a cookbook.
• Bruce loved the idea of a nouvelle southern cookbook.
• My daughter-in-law got me a cookbook...
• When I cook I use a cookbook.
• Angela said that Lazebnik was killed with a cookbook.
• Or write a cookbook specifically for mixed-race children.
• Just something I learned in a cookbook.
• The matching pictures and decorations make your cookbook unique.
• Her own recipe from her cookbook.
• Sam just came up with the idea for my next cookbook...
• And this cookbook turned out to be a great recruiting tool.
• Go read your cookbook somewhere else, Jerry.
• Because, you see, there is no French cookbook in English.
• Finally, a blurb for my next cookbook.
• Clary, that's a cookbook.
• That was like a cookbook... written by a genius.
• Let me know when your cookbook comes out.
• Fat lady, new cookbook, insufferable.
• The papers were from a cookbook.
• The papers were from a cookbook.

Some examples from the web:

• I'm working on the heart smart cook book.
• Because I have never seen these words in any cook books I know.
• Chicken books... Chicken cook books...
• Gardening, cook books, how-to-do-it books.
• Anyone can cook their books, Captain.
• No longer can we cook the books and fudge the numbers.
• But I refused to cook the books, so Hazlit fired me.
• I need you to locate the Italian accountant who cooks the books for your old friend the Albino.
• Well, I assume he did not want to give you the time to cook your books.
• Turns out, all of his properties housed meth labs, which makes sense for someone who... used to cook the books.
• Oh. Any other crunch time, I would love to stay in, cook the books for you, so you can save face in front of your ceo, but tonight is Triviocalypse!
• Or what they do, I cook the books,
• Commissioner, is it Europeanist rhetoric if we ask the European Commission to be independent and authoritative and not to have regard for governments that cook the books?
• When governments do that and cook the books, or do not fulfil the roles of economic governance and economic discipline, the others get into trouble.
• He's not a cook, he writes books.
• Okay, I cook the books a little, okay?
• Books... on how to cook chicken.
• You know, we cook, play video games, go to the comic-book store.
• That's why you're going to cook up a different set of books, Cyril.
• I taught myself to cook with a bunch of big books like this.