Ludus mathematicus: or, The mathematical game - explaining, the description, construction, and use of the numerical table of proportion. By help whereof, and of certain chessmen (fitted for that purpose) any proportion, arithmetical or geometrical (without any calculation at all, or use of pen) may be readily, and with delight resolved, when the term required, exceeds not 100000. By E.W

Förlag	År	Ort	Om boken	ISBN
printed by J. Grover for T. Helder, at the sign of the Angel in Little Britain	1681	England, London	[8], 88 sidor.
Printed by R. & W. Leybourn and are to be sold by Philemon Stephens ...	M DC LIV 1654	England, London	[14], 76 sidor., [2] leaves of plates ill.