The World Book encyclopedia. Volume 23. Australasia A-L.
The World Book encyclopedia. Volume 24. Australasia M-Z.
The World Book encyclopedia. : Volume 1. A.
The World Book encyclopedia. Volume 23. Britain and Ireland A-H.
The World Book encyclopedia. Volume 12., L.
The World Book encyclopedia. Volume 1., A.
The World Book encyclopedia of people and places : Volume 3. I-L. Iceland to Luxembourg /
The World Book encyclopedia of science. Volume 6., The animal world.
The World Book encyclopedia of people and places : Volume 2. D-H. Denmark to Hungery /
The World Book encyclopedia of people and places : Volume 4. M-R. Macao to Rwanda /
The World Book encyclopedia of people and places : Volume 5. S-T. Saint Christopher and Nevis to Tuvalu /
The World Book encyclopedia of people and places : Volume 1. A-C. Afghanistan to Czech Republic /
The World Book encyclopedia of people and places : Volume 6. U-Z. Uganda to Zimbabwe/Index /
The World Book medical encyclopedia. : Your guide to good health.
The 1994 World Book year book. : The annual supplement to The World Book encyclopedia.
The 1993 World Book. Year Book. : The annual supplement to the World Book encyclopedia. /
The 1991 World Book year book. : The annual supplement to The World Book encyclopedia. A review of the events of 1990.
The 1989 World Book year book. : The annual supplement to The World Book encyclopedia. A review of the events of 1988.
The 1990 World Book year book. : The annual supplement to The World Book encyclopedia. A review of the events of 1990.
The 1993 World Book year book. : The annual supplement to The World Book encyclopedia. A review of the events of 1992.