View source for The Mandrake Vehicles

''The Mandrake Vehicles'' consists of three "vehicles," each one surfaced with a large text block concerning the biological development, folklore, occult ritual, magical association, and homeopathic usages of the mandrake plant. The surface text blocks can be read linearly from one to the next. However, each surface text also conceals a depth of two additional poems (as well as liquid layers, when the letters are in a transitional state). In each vehicle, both of these inner poems have technically been visible all along in the top layer, but remain undetected because of the presence of the other letters and characters. The inner poems of each vehicle are unearthed as letters drift off the surface of the poem and the remaining letters solidify into new poems. In addition to the relationships created between the contents of the three poems of each vehicle, relationships are also forged between words of the different layers that share the same letter(s). In the liquid layers, letters cast off scales of themselves which fall down the screen, colliding with other cast-off scales to form the detritus words, the trash cast off by the process.

(Source: Author's description from Electronic Literature Collection, Volume Two)