Library building on summer goals with “Mega Challenge” Thu, 06/20/2019 - 12:00am The Pioneer Library System’s librarians set a lofty community goal for this year’s Summer Learning Challenge. They challenged readers in ...PLEASE LOG IN FOR PREMIUM CONTENT. Our website requires visitors to log in to view the best local news. Not yet a subscriber? Subscribe today! Read more about Library building on summer goals with “Mega Challenge”