Some of the books I read in 1986, as the lists are incomplete:
27. “The Feast of All Saints” by Anne Rice
26. “Star Trek: Crisis on Centaurus” by Brad Ferguson
25. “Big” by B. B. Hiller and Neil W. Hiller
24. “Her Majesty’s Wizard” by Christopher Stasheff
23. “The Dancer from Atlantis” by Poul Anderson
22. “This Rough Magic” by Mary Stewart
21. “The Gabriel Hounds” by Mary Stewart
20. “My Brother Michael” by Mary Stewart
19. “Touch Not the Cat” by Mary Stewart
18. “Nerilka’s Story” Anne McCaffrey
17. “A Swiftly Tilting Planet” by Madeleine L’Engle
16. “Grania: She-King of the Irish Seas” by Morgan Llywelyn
15. “Pygmalion” by George Bernard Shaw
14. “Antony and Cleopatra” by William Shakespeare
13. “Elvis and Me” by Priscilla Beaulieu Presley and Sandra Harmon
12. “Ferris Bueller’s Day Off” by Todd Strasser
11. “Star Trek: Web of the Romulans” by M. S. Murdock
10. “Star Trek: Corona” by Greg Bear
9. “Magic Kingdom for Sale – SOLD!” by Terry Brooks
8. “Star Trek Enterprise: The First Adventure” by Vonda McIntyre
7. “Dragonsinger” by Anne McCaffrey
6. “Dragonsong” by Anne McCaffrey
5. “Seven-Per-Cent Solution” by Nicholas Meyer
4. “Star Trek IV: The Voyage Home” by Vonda N. McIntyre
3. “The Mammoth Hunters” by Jean M. Auel
2. “The Valley of the Horses” by Jean M. Auel
1. “The Clan of the Cave Bear” by Jean M. Auel