Book excerpt: DIVInside a time capsule, Brian and Sean discover a decades-old mystery/divDIV In 1918, the people of Redoaks buried a time capsule full of messages for the future. Besides all the grown-up stuff, the fourth-graders of 1918 included a packet of letters to the fourth-graders of today—which means Sean Quinn is about to get a letter straight from the past! But when it comes time to crack the capsule’s seal, Sean and his brother Brian learn that its contents could change the town’s future forever./divDIV /divDIVBoris Vlado, the only surviving member of the fourth-graders of 1918, warns the boys that the time capsule holds a dangerous secret. But when they open the capsule, there’s nothing inside! To find out why, Brian and Sean will have to solve a historic mystery that involves bank robbery, corruption, and the most valuable stamp collection Redoaks has ever seen./div