4-in-1 Reader Series - 75 pages
Level A: Common words, sight words, high frequency words (10 pages-40 words)
Level B - Phrases, high frequency words, common verbs (10 pages-40 phrases) 
Level C - Sentences, applying sight/ high frequency (12 pages - 48 sentences)
Level D - Passages, Grammar and Comprehension (30 pages - 30 passages)