When their schoolteacher cousin disappears in the middle of running the Boston Marathon, four kids wind their way through the perilous maze of Boston streets along the Freedom Trail to discover what happened Take your Mark and race with Christina Grant and their cousins - Derian and C.F. - as they try to track down the mysterious whereabouts of their school-teacher cousin who has disappeared from the famous Boston Marathon - right in the middle of the race MORE than a race, a mystery MORE than a mystery, there's real history about the Freedom Trail and the Boston Marathon history, too MORE THAN ENOUGH REASONS TO RACE TO READ The Mystery on the Freedom Trail "The Boston Marathon Mystery." Want a sneak preview of this great mystery? Click HERE to download the first three chapters (approximately 428 KB) The Mystery on the Freedom Trail is recommended by Sylvan Learning's Book Adventure reading program. Book Adventure is a FREE reading motivation program for children in grades K-8. Sylvan Learning is the leading provider of tutoring and supplemental education services to students of all ages.