The Sciences: A Reading Book for Children: Astronomy, Physics--heat, Light, Sound, Electricity, Magnetism--chemistry, Physiography, Meteorology - Paperback
Sir William Herschel: His Life and Works - Paperback
!Ah y Le Lo Lay, Le Lo Ley! Musica Tipica de Puerto Rico - Paperback
!Búscalo! (Look It Up!): A Quick Reference Guide to Spanish Grammar and Usage - Hardcover
!Búscalo! (Look It Up!): A Quick Reference Guide to Spanish Grammar and Usage - Paperback
!Eureka! - Hardcover