~~Berlekamp, Elwyn & Tom Rodgers, editors, The Mathemagician and Pied Puzzler (a collection in tribute to Martin Gardner), 1999, 1-56881-075-X, A K Peters, Ltd. (Natick, MA) (chapter by Robert Neale, "Self-Designing Tetraflexagons" on p 117).

~~Botermans, Jack, Paper Capers, 1986, 0-8050-0139-5, 120 pp, Henry Holt (10 tetrahedra ring on p. 12, flexicube on p. 16, and a hexaflexagon on p. 86).

~~Cundy, H.M. and A.P. Rollett, Mathematical Models,3rd edition, 1981, 0-906212-20-0, 288 pp, Tarquin Publications (brief section on flexagons, p 205-7).

~~Gardner, Martin, Hexaflexagons and Other Mathematical Diversions (The First Scientific American Book of Mathematical Puzzles and Games), 1959, 1988, 0-226-28254-6, 202 pp, The University of Chicago Press (hexaflexagons on pp 1-14 only).

~~Gardner, Martin, The Scientific American Book of Mathematical Puzzles and Games, 1959, Simon & Schuster (hexaflexagons on pp 1 - 14 only).

~~Gardner, Martin, The Second Scientific American Book of Mathematical Puzzles and Games, 1961, Simon & Schuster (tetraflexagons on pp 24 - 31 only).

~~Gardner, Martin, Wheels, Life and Other Mathematical Amusements, 1983, 0-7167- 1589-9, 262 pp, W.H. Freeman and Company (tetraflexagon on pp 64-66, 68).

~~Golden, Alisa, Expressive Handmade Books, 2005, 1-4027-2051-3, 160 pp, Sterling Publishing Co., (how-to instructions for tetra-tetra flexagon and “square” flexagon, p 116-122).

~~Jackson, Paul, Flexagons, 1978, reprinted 1982, no ISBN, 40 pp, British Origami Society (sections on: hexaflexagons, tetraflexagons, ring flexagons and other ideas).

~~Jenkins, Gerald & Anne Wild, Mathematical Curiosities 1 (0-906212-13-8), 2 (0-906212- 14-6) and 3 (0-906212-25-1), 1989-90, 32 pp, Tarquin Publications (Vol 1: rotating polyhedra, hexaflexagon; Vol. 2: six & eight rotating tetrahedra, tetraflexagon; Vol 3: 14 rotating tetrahedra, parallelepipeds, flexitube)

~~Jones, Madeline, The Mysterious Flexagons, 1966, Lib. of Congress No: 66-29294, 48 pp, Crown Publishers (best book ever on tetra and hexaflexagons).

~~Kenneway, Eric, Complete Origami, 0-312-00898-8, 1987, 192 pp, St Martin's Press (history, hexaflexagon and rotating origami flexagon, pp 56-62).

~~Madachy, Joseph S., Mathematics on Vacation, 1968, 0-17-147099-0, 254 pp, Thomas Nelson and Sons Ltd (chapter on flexagons that mostly involves hexaflexagons including construction notes, flexing guidelines, structure diagrams, making other figures out of hexaflexagons (boat, cups, pyramids, flower basket), and flexahedrons).

~~Madachy, Joseph, Madachy's Mathematical Recreatons, Dover (section on solid flexagons (flexahedrons), pp 81 - 84).

~~Mitchell, David, The Magic of Flexagons, 1998, 1-899618-28-7, 32 pp, Tarquin (Eleven multi-colored flexagons to assemble, four to use for experimentation and a dozen data cards packed with information).

~~Pook, Les, Flexagons Inside Out, 2003, 0-521-52574-8, 170 pp, Cambridge University Press (making and flexing flexagons, early history of flexagons, geometry of flexagons, hexaflexagons, hexaflexagon variations, square flexagons, introduction to convex polygon flexagons, typical convex flexagons, ring flexagons, distorted polygon flexagons, and flexahedra).

~~Schattschneider, Doris & Wallace Walker, M.C. Escher Kaleidocycles, 0-906212-28-6, 76 pp, Tarquin Publications (background material and 10 cut and assemble models of 8 and 12 tetrahedra and one polyhedra. A slight printing error in the second edition forced the publisher to include a duplicate set of models).

~~Scholastic Magazine, The fold-'em-up send-'em-out Greeting Card Book, 0-590-10286- 9, 1975, 24 pp, Scholastic Magazine (some background, cut out and assemble models for two tetra and one hexaflexagon).