The Barney Mysteries

The Barney Mysteries are a series of six children's books written by British author Enid Blyton. They are also sometimes known as the "R" mysteries, because each title involves a word beginning with "R". • The Rockingdown Mystery (1949) • The Rilloby Fair Mystery (1950) • The Ring O'Bells Mystery (1951) • The Rubadub Mystery (1951) • The Rat-a-Tat Mystery (1952) • The Ragamuffin Mystery (1959)