Beginner Book 4 Teaches short vowel "o" (on, got, dog, etc.). Also teaches that the letter "f" is sometimes pronounced as "v" (of). Page count: 15 pages printed Words taught:Dot, got, hot, lot, not, pot, cop, hop, mop, pop, top, dog, hog, log, cod, nod, on, Bob, job, rob, sob, of, box, fox, ox.