Titles in the Set are:
The Famous Five 21 Books Set
Five on Treasure Island, Five Go Adventuring Again, Five Run Away Together, Five Go to Smuggler's Top, Five Go Off in A Caravan, Five On Kirrin Island Again, Five Go Off to Camp, Five Get Into Trouble, Five Fall Into Adventure, Five On A Hike Together, Five Have A Wonderful Time, Five Go Down to the Sea, Five Go to Mystery Moor, Five Have Plenty of Fun, Five on A Secret Trail, Five Go to Billycock Hill, Five Get Into A Fix, Five On Finniston Farm, Five Go to Demon's Rocks, Five Have A Mystery to Solve, Five Are Together Again.
The Secret Seven 16 Books Set
The Secret Seven, Secret Seven Adventure, Well Done, Secret Seven, Secret Seven on the Trail, Go Ahead, Secret Seven, Good Work, Secret Seven, Secret Seven Win Through, Three Cheers, Secret Seven, Secret Seven Mystery, Puzzle for the Secret Seven, Secret Seven Fireworks, Good Old Secret Seven, Shock for the Secret Seven, Look out, Secret Seven, Fun for the Secret Seven, Short Story Collection.