▽Selected Books Authored in English
  ▽Selected Books Authored in Japanese  
▽Books Edited in English
  ▽Books translated into Japanese

Selected Books Authored in English

Treks into Intuitive Geometry(with K. Matsunaga), Springer, 2015
Factors and Factorizations of Graphs, Lecture Notes in Mathematics (with M. Kano) (in English), Springer Verlag, 2011
Factors and Factorization of Graphs, Electronic Book, 2007 (with M. Kano), (in English)
A Day's Adventure in Math Wonderland, World Scientific, Singapore, 2008.(with M. Ruiz) (Translated into Japanese, Spanish, Thai, Chinese, Russian, Slovenski, Khmer, Vietnamese)
Selected Books Authored in Japanese
Creative Mathematics Series, Vol. 1-6, Suken, Tokyo, 1999
Mathematical Strategy for Games, Morikita, Tokyo, 1998 (with G. Nakamura)
Elementary Discrete Mathematics, Morikita, Tokyo, 1998 (with M. Urabe)
Frontiers of Graph Theory, Asakura, Tokyo, 1998
Introduction to Discrete Mathematics, Asakura, Tokyo, 1998 (with R. L. Graham)
Heuristic Methods in Mathematics, Vols. 1-7, Sundai Bunko, Tokyo,1989 (translated into Korean, Miraesa, Seoul, 1994)
Modern Combinatorics, Kyoritsu, Tokyo, 1987 (with P. Frankl), (translated into Mandarin, Shandon Educational Publ. Co., Jinan,1991)
Graph Theory, Maki, Tokyo, 1982 (with T. Hamada)
Books Edited in English
Computational Geometry, Graphs and Applications (Proc. of CGGA 2010),Lecture Notes in Computer Science, No.7033, Springer Verlag, Berlin, 2011(with J. Bo, M. Kano,and X. Tan)
Discrete Geometry, Combinatorics and Graph Theory (Proc. of CJCDGCGT 2005), Lecture Notes in Computer Science, no. 4381, Springer-Verlag, Berlin, 2007 (with B. Chen, M. Kano, X. Li and Q. Yu)
Discrete and Computational Geometry (Proc. of JCDCG 2004), Lecture Notes in Computer Science, no. 3742, Springer-Verlag, Berlin, 2005 (with M. Kano and X. Tan)
Combinatorial Geometry and Graph Theory (Proc. of JCDCG 2003), Lecture Notes in Computer Science, no. 3330, Springer-Verlag, Berlin, 2005 (with E. Baskoro and M. Kano)
Discrete and Computational Geometry (Proc. of JCDCG 2002), Lecture Notes in Computer Science, no. 2866, Springer-Verlag, Berlin, 2003 (with M. Kano)
Discrete and Computational Geometry (Proc. of JCDCG 2000), Lecture Notes in Computer Science, no. 2098, Springer-Verlag, Berlin, 2001 (with M. Kano and M. Urabe)
Discrete and Computational Geometry (Proc. of JCDCG 1998), Lecture Notes in Computer Science, no. 1763, Springer-Verlag, Berlin, 2000 (with M. Kano and M. Urabe)
Proceedings of the JSPS Workshop on Graph Theory and Combinatorics, Office of Research and Publications, Ateneo de Manila University, Manila, 1993 (with M. Ruiz)
Graph Theory and Applications (Proc. First Japan Conference on Graph Theory and Applications) ,Annals of Discrete Mathematics, no. 38, Elsevier, 1988 (with Y. Egawa and H. Enomoto)
Number Theory and Combinatorics (Proc. Tokyo Symposium in Honor of Paul Erdös, Tokyo/Okayama/Kyoto, 1984), World Scientific, Singapore, 1985.(With Y. Ito,
Books translated into Japanese

P. Brass, W Moser, J. Pach,Research Problems in Discrete Geometry [Springer Verlag, 2005], Springer Verlag, Tokyo, 2007.(with G. Nakamura et. in preparation)
R. Mankiewicz, The Story of Mathematics [The Orion Publ.. Group.,2000], Toyo Shorin, Tokyo, 2002.(with Y. Uematsu)
R. B. Nelsen,Proofs Without Words [The Mathematical Association of America, 1993],Tokai University Press, Tokyo,2002.(with C. Nara and T. Sakai)
T. Pappas,More Joy of Mathematics [Wide World Publ.1991], Tokai University Press, Tokyo, 2000.(with K. Matsunaga, G. Nakamura, and T. Kodate)
G. J. Szekly(ed,),Contests in Higher Mathematics [Springer-Verlag, 1996], Springer-Verlag, Tokyo,1998 (with G. Nakamura,K. Matsunaga,
H.T. Croft, K. J. Falconer, R, K. Guy,Unsolved Problems in Geometry [Springer-Verlag,1991],Springer-Verlag,Tokyo,1996
L. Lovász,Combinatorial Problems and Exercises[Akadémial Kladó, Budapest,1979] Tokai university Press, Tokyo,1988.(with K.Ando,H. Enomoto,M. Kano,
C. L. Liu,Elements of Discrete Mathematics[McGraw-Hill, 1985] McGraw-Hill, Tokyo,1986 (with H. Narushima)
L. C. Larson,Problem Solving Through Problems [Springer-Verlag,1983],Springer-Verlag, Tokyo, 1986 (with H. Iida)
N. L. Biggs, E. K. Lloyd. R. J. Wilson,Graph Theory 1736-1936 [Oxford University Press, 1976], Chijin Shokan, Tokyo,1986 (with S. Hitotumatu and H. Era)
M. Behzad, G. Chartrand, and L. Lesniak-Foster,Graphs and Digraphs [Prindle, Weber and Schmidt, 1979] Kyoritsu,Tokyo, 1981 (with T. Nishizeki)