When the children died, the family tragedy was explained away by doctors as a textbook series of so-called crib deaths, or sudden infant death syndrome.
The America Now textbook series compiles "the best writing on today's hottest issues" as models for college students in composition, journalism, creative writing, and English courses.
He created the first textbook series and his social studies books were extremely popular in US schools.
Many school districts pulled the textbook series subsequently starting censorship of his textbook.
In the late 1960's, Dr. Clymer introduced a textbook series called Reading 360.
For many years, Professor Jones directed the Foundation Press's casebook series and at the time of his death remained director of its textbook series.
In the second book of the textbook series, the Cornelii are preparing to throw a dinner party for friends and family.
The press publishes Al-Kitaab, the most widely used Arabic language learning textbook series at the college and professional level.
As editor of a textbook series on historical geology from the 1920s through the 1950s, his work was published and sold in over 1 million books.
Now we're basing much lower school work on one textbook series'; 'We started by trying to do it all ourselves.