Covers: Open Library
- Mental FlossMental Floss editors, Will Pearson et al.
- mental floss presents Condensed KnowledgeWill Pearson, Mangesh Hattikudur et al.
- Mental Floss Presents Forbidden KnowledgeWill Pearson, Mangesh Hattikudur et al.
- Mental_Floss Presents: Condensed KnowledgeWill Pearson
- Mental Floss presents In the BeginningWill Pearson, Mangesh Hattikudur et al.
- Instant knowledgeWill Pearson, Mangesh Hattikudur et al.
- Death WarrantWill Pearson
- Book of Unexplained MysteriesWill Pearson
