10 Famous Five and 2 Secret Seven books by Enid Blyton in paperback. Included are:

Famous Five 

Five on a Treasure Island

Five Go Adventuring Again

Five Go to Smuggler's Top

Five on Kirrin Island Again

Five Go Off to Camp

Five Go to Mystery Moor

Five Fall Into Adventure

Five Get Into Trouble

Five Run Away Together

Five on a Hike Together

Secret Seven

The Secret Seven Adventure

Good Old Secret Seven

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