| Issue | #520 |
| Published | November 1955 |
| Frequency | Monthly |
| Cover Price | 0.15 USD |
| Pages | 36 |
| Editing | Meyer A. Kaplan (Managing Editor) |
| Characters | Thumbelina; Swallow |
| Synopsis | Full-page, front cover illustration depicts Thumbelina flying over a castle on the swallow's back. |
| Genre | Children |
| Pencils | Dik Browne ? (painting) |
| Inks | Dik Browne ? (painting) |
| Colors | Dik Browne ? (painting) |
| Letters | Typeset |
| Synopsis | Half-page, vertically-oriented, inside front cover promo positioned on the left side of the page for the next issue of Classics Illustrated Junior, "The King of the Golden River". Spot illustration depicts the next issue's front cover. |
| Script | ? (ad copy) |
| Pencils | Alex A. Blum |
| Inks | Alex A. Blum |
| Letters | Typeset |
| Synopsis | Half-page, vertically-oriented, inside front cover dot-to-dot puzzle positioned on the right side of the page. |
| Genre | Children |
| Script | ? (puzzle directions) |
| Pencils | Alex A. Blum |
| Inks | Alex A. Blum |
| Letters | Typeset |
| Characters | Thumbelina; Mole; Mouse; Butterfly; Swallow; Mother; Toads |
| Synopsis | Thumbelina is a tiny girl who has many adventures with sex and marriage-minded insects, reptiles, and small mammals before finding a fairy prince just her size. |
| Genre | Children |
| Script | ? (adapter); Hans Christian Andersen (original author) |
| Letters | Typeset |
| Characters | Crow; Dog |
| Synopsis | A crow drops pebbles into a half-filled pitcher of water until the water level is high enough for him to drink. "You can solve any problem once you set your mind to it," he remarks. |
| Genre | Children |
| Script | ? (adapter); Aesop (original author) |
| Letters | Typeset |
| Synopsis | Poem from "A Child's Garden of Verses" about a child going to bed before the sun sets. |
| Genre | Children |
| Script | Robert Louis Stevenson |
| Pencils | Alex A. Blum |
| Inks | Alex A. Blum |
| Letters | Typeset |
| Characters | Cock Robin; Jenny Wren |
| Synopsis | Nursery rhyme about the courtship and marriage of two birds. |
| Genre | Children |
| Script | ? (traditional author) |
| Pencils | Alex A. Blum |
| Inks | Alex A. Blum |
| Letters | Typeset |
| Synopsis | Full-page, inside back cover promo offering Classics Illustrated and Classics Illustrated Junior subscriptions. Spot illustrations depict front covers from both series. |
| Script | ? (ad copy) |
| Pencils | ? (spot illustrations) |
| Inks | ? (spot illustrations) |
| Letters | Typeset |
| Characters | Thumbelina |
| Synopsis | Full-page, back cover illustration depicts Thumbelina sitting on a throne inside a flower. |
| Genre | Children |