Carroll, Lewis 1832-1898 Pillow problems and a tangled tale / Lewis Carroll - New York, N.Y. : Dover , 1958 - xx, 152 [23] p. il. - (Mathematical Recreations of Lewis Carroll ; 2) . En portada y cubierta: both books bound as one Subjects--Topical Terms: MATEMATICASLOGICA MATEMATICAMATEMATICAS RECREATIVAS Universal Decimal Class. No.: 51-8 C319p