| | Description | Price | S&H |  |
| #01 | #1: Encyclopedia Of Birds | | Sold |
| #01a | #1: Encyclopedia Of Birds (scotch taped) | $1.00 | $6 |
| #02 | #2: Encyclopedia Of Days We Celebrate | | Sold |
| #03 | #3: Encyclopedia Of Famous Explorers | | Sold |
| #04 | #4: Encyclopedia Of Famous Men | | Sold |
| #05 | #5: Encyclopedia Of Famous Women | | Sold |
| #06 | #6: Encyclopedia Of Edible Fish | | Sold |
| #07 | #7: Encyclopedia Of Flight | | Sold |
| #08 | #8: Encyclopedia Of American Indians | | Sold |
| #09 | #9: Encyclopedia Of Insects | | Sold |
| #09a | #9: Encyclopedia Of Insects (spotted cover) | $5.00 | $6 |
| #10 | #10: Encyclopedia Of Great Inventions | | Sold |
| #11 | #11: Encyclopedia Of Musical Instruments | | Sold |
| #12 | #12: Encyclopedia Of Natural Science | | Sold |
| #13 | #13: Encyclopedia Of Planets | | Sold |
| #14 | #14: Encyclopedia Of Prehistoric Beasts | | Sold |
| #15 | #15: Encyclopedia Of Rocks and Minerals | | Sold |
| #15a | #15: Encyclopedia Of Rocks and Minerals (no cover) | | Sold |
| #16 | #16: Encyclopedia Of Science Experiments | | Sold |
| #17 | #17: Encyclopedia Of Sports | | Sold |
| #18 | #18: Encyclopedia Of Land Transportation | | Sold |
| #19 | #19: Encyclopedia Of Unusual Flowers and Plants | | Sold |
| #19a | #19: Encyclopedia Of Unusual Flowers and Plants (no cover) | | Sold |
| #20 | #20: Encyclopedia Of Wonders of the World | | Sold |
| #20a | #20: Encyclopedia Of Wonders of the World (light spots) | | Sold |
