Sullivan Reading Program, probably the best reading program developed in the last 60 years. If you went to elementary school in the late 60s or during the early 70s you might remember this program. The program was developed with the help of 5 PHDs, 1 psychiatrist, and a Master in Education who all sat on the advisory board for Behavioral Research Laboratories in Palo Alto (which no longer , the group that published these books. Here is part of an abstract about the series "The Sullivan Reading Program is designed to teach reading, with the focus on basic skills, to children beginning in kindergarten and continuing through grade 3. It is also used in remedial reading instruction for children and adults of all ages. The two basic series of materials are the Programmed Reading series and the Sullivan Reading Program, accompanied by many supplementary materials. " The rest of the article from the Department of Health, Education, and Welfare on the program can be found here: http://www.eric.ed.gov/PDFS/ED058020.pdf This series is great for home schoolers, teachers looking for supplementary material, or English language learners. The set consists of - 28 books (1-25 plus A, B, and C) - 1 placement test - 6 series test -the teacher's manual - About 140 additional supplementary books -Student progress folder I am selling as a zipped file with PDFs. This version is no longer in print.