Flip comic. Index starts from Mr. Monster side, then has Mr. X. side.
from Mr. Monster Attacks (Tundra, 1992 series) #1 (August 1992) [in Black & White], #2 (September 1992) [in Black & White], #3 (October 1992) [in Black & White], #3 (October 1992), #3 (October 1992)
in Mister X: The Definitive Collection (ibooks, 2004 series) #2 (August 2005), #2 (August 2005)
in A1 Sketchbook (Atomeka Press, 2004 series) #[nn] ([November] 2004) [back cover]Flipbook cover.
from Mr. Monster Attacks (Tundra, 1992 series) #3 (October 1992)
in A1 Bojeffries Terror Tome (Atomeka Press, 2005 series) #1 (2005)
in Bricktop A1 Special (Atomeka Press, 2004 series) #[nn] ([August] 2004)Samples of the Fortean Times with illustrations
in Mister X: The Definitive Collection (ibooks, 2004 series) #2 (August 2005)Flip cover
Windows story has each artist doing a (usually) quarter page view of Somnopolis
in Strange Wink (Dark Horse, 1998 series) #3 (May 1998)