The ISBN of Mathematics Made Difficult is 9780529045522.
The ISBN of Concrete Mathematics is 0201558025.
Mathematics Made Difficult was created in 1972.
Mathematics Made Difficult has 207 pages.
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The ISBN of The Half-Made World is 0765325527.
The ISBN of Earth Made of Glass is 0765303302.
The ISBN of Made to Stick is 1-400-06428-7.
I suppose that mathematics is more difficult than chemistry.
Mathematics is a large subject; some parts of it are relatively simple and easy, while other parts are complicated and difficult. Intelligent people find mathematics to be very interesting.
The ISBN of Made in America - book - is 0-380-71381-0.
The ISBN of Who Made Stevie Crye? is 0-87054-099-8.
The ISBN of Language Made Plain is 0-34004-770-4.