Linguistics is one of my favorite topics and I have listened to and read many on the topic. I thought this book was going to be a serious study of the history of the alphabet. I was wrong, but more than pleasantly surprised. Each letter of the alphabet is the starting off point for each chapter, but then Michael Rosen takes you on a wonderful trip of language and delight after the serious stuff is over. Michael reads the book in his delightful accent and just has a lot of fun. He is more a comedian and storyteller than an academic - more to his credit. Highly recommend for a fun trip down the alphabet.
This has been done very well. I can attest to that because I am an applied linguist, and this approach in my humble opinion is way better than Rosetta Stone, for example. It gets you going with the language, and it is structured properly when introducing new language. I just wish there were more than 30 lessons!