Welcome to Firefox for Android Add-ons.
Add extra features and styles to make Firefox for Android your own.
CloseReview for Book Text Mark by CV43
Rated 4 out of 5 stars
This is extremely useful for marking your place on forum threads, blog pages, comment sections, and anywhere else you'd like to know where you left off reading. Using this you don't have to re-read to find our where you were on the page. Occasionally I'll return to a page and I see that the mark has moved from where I put it, but I'm still glad I have this extension.
I hope it will be updated (if necessary) and usable with FF v3.
My $.02 would be to have a setting to enable deletion of page marks when the page's bookmark is deleted from FF. And maybe fix the occasional wondering page mark.
Overall though, a very useful extension.
To create your own collections, you must have a Mozilla Add-ons account.