FOR SPACIOUS SKIES by Pearl S. Buck with Theodore F. Harris. 221 pages. John Day. $4.95.
Two years ago, Pearl Sydenstricker Buck hired Theodore F. Harris, a ballroom-dancing instructor, to teach her the rumba. Widow Buck, now 74, took a motherly interest in Harris, now 36, named him president and executive director of her tax-exempt Pearl S. Buck Foundation, which since 1964 has raised $155,000 to help care for about 1,000 of the hundreds of thousands of rejected, mixed-blooded "Amerasian" youths who since 1945 have been fathered by American servicemen from Korea to Viet Nam. Mrs. Buck and Harris swung...