Tarquin number challenges /
Jenkins, Gerald.
Tarquin number challenges / by Vivien Lucas and Magdalen Bear. - St Albans, Herts : Tarquin, 2008. - 55 p. : 25 cm.
189961849X
Mathematical recreations.
Number games.
Tarquin number challenges / by Vivien Lucas and Magdalen Bear. - St Albans, Herts : Tarquin, 2008. - 55 p. : 25 cm.
189961849X
Mathematical recreations.
Number games.