If you’re interested in the history of England during the Middle Ages (and if you already have some grounding in the subject), then you might enjoy this short volume by Danny Danziger and John Gillingham.
This is less a systematic history of the Magna Carta, than it is a series of historical anecdotes about the state of England in the early 13th century. (The chapters are broken down by topic: “School”, “Town”, “Education”, etc.)
I recommend this book to readers who already have some background in the subject matter because it is not a systematic, linear history.
This is, nevertheless, a very interesting book. You’ll pick up lots of tidbits about English life, religion, and politics around the time when the Magna Carta was signed. (The book also includes the full text of the Magna Carta.)