Bridge, learn to play the easy orbital way /
Hobbs, D. J.(Derek J.)
Hobbs, D. J.(Derek J.)Definitive guide to the orbital bridge bidding system.
Beaton, C. J.(Cyril J.)
Booth, E. C.(Elsie C.)
[Stratford upon Avon?] : Orbital,
2000.
Previous ed. published as: A definitive guide to the orbital bridge bidding system. S.l. : s.n., n.d.
Cover title.
Contract bridge.