My published books and book chapters.
-- Mathematics and Art:

Crocheting Adventures with Hyperbolic Planes: Tactile Mathematics, Art and Craft for all to Explore, Second Edition, CRCPress, 2018.

Crocheting Adventures with Hyperbolic Planes, AK Peters, 2009. Winner of the 2012 Euler Prize from the Mathematical Association of America.

"The Rhythm of Geometry", in Findings on Ice, Pars Foundation, Lars Muller Publications, 2007, p.129.

(with D. W. Henderson) "Experiencing Meanings in Geometry", Mathematics and the Aesthetic, eds. Nathalie Sinclair, David Pimm, William Higginson, CMS Books in Mathematics, Springer, 2006, chapter 3, pp.58-83.

-- Mathematics and History of Mathematics:

“Historical Mechanisms for Drawing Curves”, chapter in Hands On History, ed. Amy Shell-Gellasch, MAA Notes vol.72, 2007, pp.89-104.

(with D. W. Henderson) "How to Use History to Clarify Common Confusions in Geometry", Chapter 6 in From Calculus to Computers: Using Recent History in the Teaching of Mathematics. MAA Notes volume No.68, 2005, p.57-73.

(with D. W. Henderson) Experiencing Geometry: Euclidean and Non-Euclidean with History, 3rd Edition. Prentice-Hall. 2005.

History of Mathematics (Latvian), e-Course at the University of Latvia. Published on-line November 2003.

(with D. W. Henderson) Experiencing Geometry in Euclidean, Spherical and Hyperbolic Spaces (2nd revised and expanded edition) Prentice Hall, 2001.

(with Lucia Grugnetti, Leo Rogers and others) "Philosophical, multicultural and interdisciplinary issues", Chapter 2 in History in Mathematics Education: the ICMI Study, (eds. John Fauvel, Jan van Maanen), Kluwer Academic Publishers, 2000, pp. 39-62.

(with D. W. Henderson) Differential Geometry: A Geometric Introduction, Prentice Hall, 1998.

Mathematics: Fun Problem mix for Elementary and Middle Grades Students (Latvian), Riga: Macibu Gramata, 1995, 47 p.

History of Mathematics (Latvian), Riga: Zvaigzne, 1990, 199 p.

(with R. Freivalds, and E. B. Kinber) Fundamentals of Computers. (Russian), 1986, Kiev: Radianska Skola Press, 300 p.

Mathematics in Middle Ages (Latvian), Riga: University Press, 1985, 79p.

Mathematics in Renaissance Europe (Latvian), Riga: University Press, 1985, 42p.

Mathematics in antiquity (Latvian), Riga: University Press, 1981, 99 p.

(with other authors) Problems from university entrance exams with solutions (Latvian), Riga: University Press, 1978, 72 p.