Dell March, 1960
Numbering continues from Dell Four Color; Jan-Mar issue; Numbering continues from Four Color Comics (2nd series)
Marked for Disaster; Seashore Safety (text story); Turnabout Treasure; Shark Surf; educ: Mountains Beneaath the Sea; educ: The Big Fish; educ: Ocean Locomotion
Eric Freiwald, Robert Schaefer
Russ Manning, Tony DiPaola, John Ushler