Vecchione, Glen.
Challenging math puzzle. / Glen Vecchione illustrated by Glen Vecchione & Nina Zottoli. - New Delhi : Goodwill Publishing House, [s.d] - 96p. : ill
Includes index
Mathematical recreations
Challenging math puzzle. / Glen Vecchione illustrated by Glen Vecchione & Nina Zottoli. - New Delhi : Goodwill Publishing House, [s.d] - 96p. : ill
Includes index
Mathematical recreations