1. Apple's apple, e.g.
5. High school social event
10. "Tarzan" extra
13. What a wager is
14. "Cats" poet
15. Knowing, as a secret
16. Best not to go there!
19. Then again
20. Pleasant French city?
21. Something worth fighting for
22. Bit of affection from Fido
23. Parker's one-named fictional detective
25. Next to
28. Ill will
29. Advil target
30. Excel
31. Island chain?
34. Give more consideration to
38. II or III
39. O. Henry device
40. Auld lang syne
41. Asking too much of someone?
42. Tush
44. Certain carriers
47. Cracker topper
48. Rinse, as with a solvent
49. Fruit drink prefix
50. Afro, perm or bob
53. "Hmm! Now that you mention it..."
57. Biology lab supply
58. Discovered
59. Sari sporter
60. Big Apple inits.
61. Old coot
62. Units of work