Ultra HTML Reference
This book can be downloaded and read in iBooks on your Mac or iOS device.
Ultra HTML Reference is the perfect book for those web programmers who need to refresh their memories on the structure and mechanics of the core web programming language: HTML. Ultra HTML Reference provides an in-depth description of each tag in HTML along with examples. Even if you are new to HTML, the reference book is written in a way in which any introductory web programmer can understand it. The reference novel contains every HTML tag - including tags in HTML 5.
Just what I was looking for!