Below is a selection of different reading literature that are perfect to for you (or to buy as a present too!). Take a look:
They all come with a full money back offer for you should they not arrive in pristine condition as they are reputable suppliers.
There's nothing better than a good read and also something to reference when your symptoms are getting you down. Having accurate information, in an easy to read format ticks all the boxes for me - and I am sure for you too!
There are a lot of book's on Irritable Bowel Syndrome out there, but I think you'll find these are the best. Do take a look and please come back once you've read your book to leave a review.