• Hi! And welcome to my Dirk Pitt Knowledge Test. The Dirk Pitt series of books written by Clive Cussler are among my favorite. Take this test if you enjoy them. Note if you are a regular reader of the books it won't be that hard to get 100%. I don't believe like some of the test makers here in making the tests ridiculously difficult - to the point if I made this test like they made theirs Clive Cussler himself couldn't get 100%. Even if you only read a few you should be able to get a halfway decent score.