- Your options are : Here you can... Discover the history of the Junior JSA; browse through the various membership kit items; Decode the JJSA secret messages; Learn scientific facts with members of the JSA; source previous information published on the Junior Justice Society of America; visit the Yahoo JJSA club; or learn about other JSA fanclubs such as the JSAAA. Davo's Page Here you can... See ...home.vicnet.net.au/~dstudham