You can use the bookmark feature in
Text Speaker Live to continue at the last read position.
Add a bookmark to return to any point in your document. When you stop reading the book, add a bookmark by right clicking and selecting the add bookmark option, then save your document.
When you are ready to continue reading, open your book in Text Speaker Live. From the Edit menu, select the 'Go to Bookmark' option and choose the bookmark you have added. Finally, start reading from current cursor position using Speak menu.