I got the Voyager Expanded Book editions of Neuromancer, Count Zero, and Mona Lisa Overdrive working with Stacks. Archive Utility was no help but the Unarchiver had no problem with .sit and .sea files.

This seems like an interesting way to read these and I’ve been meaning to revisit them before I listen to the (year and a half old) The Sprawl Trilogy unit on Shelved by Genre