Rewrite ebook on converting car to water

You should know something about this process and be familiar with it. The main ebook should be about 90 pages long. I can provide a sample of ebook, but you should be able to improve on it and not just copy it. The original ebook is a public domain work, so what I am looking to do is improve upon it and release a better version. Sample website [login to view URL] Please provide experience with writing about automotive related works. I would like at least 2 samples of something you have written related to cars to select the final bidder.