“Ancient documents described the symbol as an ambigram—ambi meaning “both”—signifying it was legible both ways. And although ambigrams were common in symbology— swastikas, yin yang, Jewish stars, simple crosses—the idea that a word could be crafted into an ambigram seemed utterly impossible.” CommonCrossesAncientSymbolsDocumentsBothYin YangSymbologySwastikaSwastikasAmbigramsLegibleJewish Stars Book:Angels & Demons Source: Angels & Demons
“Across the street from the van was a board fence. Someone had spray-painted incomprehensible graffiti on it—could have been an ambigram for all she knew, legible upside-down as well as right-side-up.” GraffitiAmbigramsAmbigram Book:Burn the Dark Source: Burn the Dark