| Issue | #21 |
| Published | August 1974 |
| Cover Price | 0.25 USD |
| Pages | 36 |
| Editing | George Wildman |
| Characters | Pebbles Flintstone; Bamm-Bamm Rubble |
| Genre | Humor; teen |
| Characters | Pebbles Flintstone; Bamm-Bamm Rubble; Snoots; Wooly; Wilma Flintstone |
| Genre | Humor; teen |
| Characters | Pebbles Flintstone; Bamm-Bamm Rubble; Moonrock Crater; Fred Flintstone; Wilma Flintstone; Schleprock; Barney Rubble |
| Genre | Humor; teen |
| Characters | Pebbles Flintstone; Bamm-Bamm Rubble; Fabian Fabquartz; Moonrock Crater |
| Genre | Humor; teen |
| Characters | Pebbles Flintstone; Bamm-Bamm Rubble; Cindy Curbstone; Zonk; Bruno Bronto; Schleprock; Wiggy Rockstone |
| Genre | Humor; teen |
| Genre | humor |
| Letters | typeset |
| Characters | Pebbles Flintstone; Bamm-Bamm Rubble; Bruno Bronto; Zonk; Moonrock Crater; Fred Flintstone |
| Genre | Humor; teen |
| Characters | Pebbles Flintstone; Bamm-Bamm Rubble |
| Genre | Humor; teen |
| Characters | Pebbles Flintstone; Bamm-Bamm Rubble; Moonrock Crater |
| Genre | Humor; teen |
| Characters | Bamm-Bamm Rubble; Wiggy Rockstone; Noodles; Bruno Bronto; Fabian Fabquartz |
| Genre | Humor; teen |