"How did 7-Up get its name? Why do rabbits wiggle their noses? Feldman answers these and many other questions in a humourous, but factual manner." . "Do penguins have knees? [an imponderables book]" . "More questions about everyday life (penguins' knees?) such as why the letters Q and Z are missing from phones, do earlobes serve any particular function, and others."@en . "How did 7-Up get its name? Why do rabbits wiggle their noses? Do earlobes serve any purpose? Feldman answers these and many other questions in a humourous, but factual manner."@en . . . . . . . . . . . . . . "Humor"@en . . "Humor" . . "Downloadable audio books"@en . . "Do penguins have knees? a imponderables book"@en . "Audiobooks"@en . . "Single-handedly explaining life's Imponderables, Feldman's bestsellers should be heard by anyone with a fascination for these peculiar, lesser mysteries."@en . . "Do penguins have knees?"@en . "Do penguins have knees?" . . . .