"writing book" is a correct and usable phrase in written English.
For example, you could use it in a sentence such as: "I just bought a new writing book to help me improve my skills."
Writing book on scientific tennis.
There, while writing book reviews, he also began writing novels.
And I have been writing book reviews for the TLS.
I'm writing Book 3, "By Blood We Live," at the moment.
I met Ms. Abdel Latif, 24, at a Hamas-sponsored workshop on writing book reviews in English.
Orwell said writing book reviews was like "pouring his immortal spirit down the drain, half a pint at a time".
Here she met a wealth of interesting people, made connections among those in publishing, and was soon writing book reviews.
The Professor is writing a book review, and I'm sure that all your fathers are writing book reviews, too".
Just try, as many young writers do, to support yourself writing book reviews.
Mr. Broun then considered writing book reviews out of his home in Woodstock, N.Y.
Currently writing book on the life of Socrates: The Hemlock Cup.
