By Elting, Mary,.
Garden City, N.Y., Garden City Books 1953 .
90 p. 22 cm..

Place hold on Machines at work;

By Isenberg, Seymour..
New York : Dell Pub. Co., 1978 .
348 p. ; , "A Dell book." | Includes index. 18 cm..
0440163951 (pbk.) : | 9780440163954 (pbk.)

Place hold on The 9-day wonder diet /

By Elting, Mary,.
New York : Grosset and Dunlap, 1961 .
153 p. : 28 cm..

Place hold on Answers and more answers /

By Isenberg, S., Elting, L. M..

Place hold on The 9 day wonder diet

By Elting, Mary,.
Irvington-on-Hudson : Harvey House, 1962 .
93 p. : , Includes index. 22 cm..

Place hold on Trucks at work /

By Isenberg.

Place hold on The 9 day wonder diet

By Elting, Mary,.
Irving-on-Hudson, N.Y., Harvey House 1963 .
[43] p. 24 cm..

Place hold on The secret story of Pueblo Bonito

By Elting, Mary,.
Racine, Wis., Whitman Pub. Co. 1961 .
58 p. 22 cm..

Place hold on Flowers and what they are

By Elting, Mary,.
New York, Grosset & Dunlap 1959 .
153 p. 28 cm..

Place hold on The answer book.

By Elting, Mary,.
New York, Grosset & Dunlap 1968 .
63 p. 22 cm..

Place hold on What's going on here?