It’s Monday, Aug. 10, and here are five things to know in Montgomery County. Tax-Free Week Underway: Maryland’s Tax-Free Week for back-to-school shopping runs through Saturday. Reservations for Indoor School Facilities: Reservations open today for use of indoor school facilities during the upcoming school year. Fair Countdown: It is four days until the annual Montgomery County Agricultural Fair returns. ICYMI: Car thefts are increasing in Montgomery County:For the latest news and events in Montgomery County, stay with MyMCMedia.