If you go here, what do you see?
Macintosh HD > user > Library > Application Support > Google > Chrome > Default > Bookmarks and Bookmarks.bak
Please consider using the Time Machine backup feature in the future.
What about a restart using your most recent backup prior to the disappearance? Knowing what kind of computer you're using and the OS might provide more detailed assistance.
I just saw Jackie (the mom) stand up, roll her three eggs, then sit back down on them and pull twigs toward her sides to retain heat. Ain't nature grand?