The Encyclopedia Galaxy Angel is a 100-pages booklet that is included with Galaxy Angel II Eigō Kaiki no Toki Deluxe Edition. The booklet contains the follwing:
- The cover is counted as the first page.
- The third page is the same illustration as the cover.
- Pages 5-95 has information of Galaxy Angel and Galaxy Angel II characters, villians, extra characters, and worlds.
- The next page is a "special thanks" to collaborators who work along Galaxy Angel production.
- Page 97 is "retrieval" which acts as an index.
- Page 98 is a dismissal to Galaxy Angel fans.
- Finally, the last page is the back cover.