Helen Dolman MacCracken.
Teacher's manual for The How and Why Club, teacher's Manual and science handbook to accompany The How and why Club. (How and why science series, book 4)
R617827. Teacher's manual for The How and Why Club, teacher's Manual and science handbook to accompany The How and why Club. By Helen Dolman MacCracken. (How and why science series, book 4) © 9Oct48; AA103047. Random House, Inc. (PWH); 12Nov75; R617827.
Random House, Inc.|PWH