- The Real Lincoln
- History
- Science
- Natural History
- Churchill: A Life
- Hitler: The Definitive Biography
- Algebra Survival Guide
- 6.6: B1, 4%; B2, 1 – 72
- 6.7: B1, 16%; B3, 1 – 43
- 6.16: B1, 23%; B4, 488
- 6.17: B1, 55%; B2, 637
- 8.18: B1, 100%
- 8.7: B5, 3%; P30
- 8.10: B5, 5%, P58
- 8.17: B5, 18%, CH12
- 8.18: B5, 20%, CH14
- 8.23: B5, 36%, CH19
- 8.28: B5, 53%, CH31
- 9.8: B5, 87%, CH 41
- 9.19: B6, 5%
- 9.22: B6, 7%
- 9.23: B6, 9%
- 9.24: B6, 13%
- 9.29: B6, 16%
- 9.30: B7, 5%, B6, 18%
- 10.1: B7, 11%, B6, 19%
- 10.2: B7, 20%, B6, 20%
- 10.3: B7, 34%, B6, 22%
- 10.4: B7, 45%, B6, 23%
- 10.5: B7, 60%, B6, 25%
- 10.6: B7, 67%, B6, 26%
- 10.7: B7, 72%, B6, 27%
- 10.8: B7, 76%, B6. 29%
- 10.9 B7, 83%, B6, 30%
- 10.10 B7, 88%, B6, 31%
- 10.11 B7, 92%
- 10.12 B6, 33%
- 10.13 B6, 35%
- 10.14 B6, 39%
- 10.15 B6, 40%
- 10.16 B6, 42%
- 10.17 B6, 45%
- 10.18 B6, 47%
- 10.19 B6, 49%
- 10.20 B6, 50%
- 10.21 B6, 52%
- 10.22 B6, 54%
- 10.22 B6, 56%
- 10.23 B6, 55%
- 10.24 B6 57%
- 10.25 B6 59%
- 10.26 B6 61%
- 10.27 B6 63%
- 10.28 B6, 65%