From their Goodreads Profile:
This event is for yearly Read-a-thons.
They do one Read-a-thon a month, the first full week of every month.
August 5-11 Topic:
Read the 5th book on your TBR or the 5th book on your Goodreads Recommendation List.
Back to All Events
Earlier Event: August 1
Avid August
Later Event: September 1
Sequel September