| Issue | #521 [O] |
| Published | December 1955 |
| Frequency | Monthly |
| Cover Price | 0.15 USD |
| Pages | 36 |
| Editing | Meyer A. Kaplan (Managing Editor) |
| Characters | King of the Golden River; Gluck |
| Synopsis | Full-page, front cover illustration depicts the King of the Golden River emerging from a pot of gold as Gluck looks on in astonishment. |
| Genre | Children |
| Pencils | Dik Browne ? (painting) |
| Inks | Dik Browne ? (painting) |
| Colors | Dik Browne ? (painting) |
| Letters | Typeset |
| Synopsis | Half-page, horizontally-oriented, inside front cover promo positioned on the upper portion of the page for the next issue in the Classics Illustrated Junior series, "The Nightingale". Spot illustration depicts the next issue's front cover. |
| Script | ? (ad copy) |
| Pencils | Alex Blum |
| Inks | Alex Blum |
| Letters | Typeset |
| Synopsis | Half-page, horizontally-oriented, inside front cover statement of ownership positioned on the lower portion of the page: Albert L. Kanter (Publisher); William E. Kanter (Editor); Meyer A. Kaplan (Managing Editor); and Maurice R. Kanter (Business Manager). Owner is listed as Famous Authors, Ltd., Albert L., William E., and Maurice R. Kanter at 101 Fifth Avenue, New York, 3, New York. |
| Letters | Typeset |
| Characters | King of the Golden River; Gluck; Hans; Schwartz |
| Synopsis | The King of the Golden River lays waste beautiful Treasure Valley when its owners, brothers Hans and Schwartz, prove to be mean and selfish men. Their brother Gluck however meets the King's expectations regarding kindness and generosity, and the valley is restored to fruitfulness. |
| Genre | Children |
| Script | ? (adapter); John Ruskin (original author) |
| Letters | Typeset |
| Characters | Crow; Peacock |
| Synopsis | A crow wants to be a peacock and dons a few peacock feathers he finds on the path, but the peacocks think him a pretender and drive him away. He returns to his fellows who now resent him for wanting to be something other than a crow. The crow realizes he should have been happy just being himself. |
| Genre | Children |
| Script | ? (adapter); Aesop (original author) |
| Letters | Typeset |
| Synopsis | Poem from "A Child's Garden of Verses" about the strange lands, foods, and music a child encounters in his dreams. |
| Genre | Children |
| Script | Robert Louis Stevenson |
| Pencils | Alex Blum |
| Inks | Alex Blum |
| Letters | Typeset |
| Synopsis | Nursery rhyme describing the horsemanship skills of ladies, gentlemen, and farmers. |
| Genre | Children |
| Script | ? (traditional author) |
| Pencils | Alex Blum |
| Inks | Alex Blum |
| Letters | Typeset |
| Characters | Gluck |
| Synopsis | Full-page, inside back cover illustration depicting Gluck walking along a path. |
| Genre | Children |
| Letters | Typeset |
| Notes | first Color This Picture With Crayons feature in the series |
| Synopsis | Full-page, back cover subscription offer for Classics Illustrated Junior. Spot illustrations depict covers from the series. |
| Script | ? (ad copy) |
| Pencils | ? (spot illustrations) |
| Inks | ? (spot illustrations) |
| Colors | ? (spot illustrations) |
| Letters | Typeset |