A new edition of Practical Technology for Music Education has been created and is available in the iBookstore interactive textbook format. The new book contains a number of new chapters, more links, and some interactive features. The price of the enhanced and expanded first edition is $4.99. You can purchase a copy of the iBook here.
If you are interested in the original version of the book, it is available at the links below:
My family worked together to create this iBook, called Not a Good Idea: How Not to Use an iPad. The book sells for $0.99 (US) and is available on the iBookstore.