Joe Kissell, who has written numerous books in this series, has written Take Control of Your Digital Legacy, a guide to planning for digital and online assets. From the introduction:
"This book walks you through the process of digital estate planning. It helps you identify the important information you may want to pass on to future generations, document your wishes in detail, and make practical decisions about preserving your data."The book is available as an electronic books, in PDF, EPUB, or Mobi format, for $15 from Take Control Books.