Series Books or Standalone for Middle Grade Readers?

No need for your kids 8 - 13 to commit to a series when they can get any one of these standalone adventures and mysteries…I do have 2 series as well if you’re interested. 

Available on Amazon at:  https://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Daps&field-keywords=max+elliot+anderson