There are plenty on his contemporary, Marco Polo, but Ibn Battuta has far less renown. I have always had a keen interest on this topic so any help is welcomed.
Well, you have the book he wrote about his travels.
Tim Mackintosh-Smith wrote three books about his retracing of the journeys of Ibn Battutah. They're pretty good; the first book, Travels With A Tangerine is the best. It's travel literature, but along the way he sprinkles in a lot of historical information about Ibn Battutah's time period.