1. A number of sheets of paper fastened together along one edge.
4. Fairly small terrestrial ferns of tropical America.
10. (Judaism) Sacred chest where the ancient Hebrews kept the two tablets containing the Ten Commandments.
13. One of the most common of the five major classes of immunoglobulins.
14. In the same place (used when citing a reference).
15. A zodiacal constellation in northern hemisphere between Cancer and Virgo.
16. 100 aurar equal 1 krona.
18. Waterproofed canvas.
19. Aircraft landing in bad weather in which the pilot is talked down by ground control using precision approach radar.
20. King of Saudi Arabia from 1964 to 1975 (1906-1975).
22. A trivalent metallic element of the rare earth group.
24. Any of a number of fishes of the family Carangidae.
26. Minute floating marine tunicate having a transparent body with an opening at each end.
27. The United Nations agency concerned with atomic energy.
30. A light touch or stroke.
32. A fraudulent business scheme.
33. Informal terms for a (young) woman.
38. (Irish) The sea personified.
40. Title for a civil or military leader (especially in Turkey).
42. A unit of traffic intensity in a telephone system.
45. (zoology) Relating to frogs and toads.
47. A partially opened flower.
48. (informal) Exceptionally good.
49. A bet that you can pick the first and second finishers in the right order.
52. (Phoenician and Philistine) God of agriculture and the earth.
56. Slanting diagonally across the grain of a fabric.
57. Ctenophores lacking tentacles.
61. Plant with an elongated head of broad stalked leaves resembling celery.
62. An implement used to propel or steer a boat.
64. A notable achievement.
65. The compass point that is midway between north and northeast.
66. Jordan's port.
67. Type genus of the Alcidae comprising solely the razorbill.

1. French cabaret singer (1915-1963).
2. Largest known toad species.
3. An Iranian language spoken in Afghanistan.
4. English theoretical physicist who applied relativity theory to quantum mechanics and predicted the existence of antimatter and the positron (1902-1984).
5. The blood group whose red cells carry both the A and B antigens.
6. A luminance unit equal to 1 candle per square meter measured perpendicular to the rays from the source.
7. (Babylonian) God of storms and wind.
8. Suggestive of the supernatural.
9. The basic unit of electric current adopted under the System International d'Unites.
10. Of or relating to alga.
11. A summary that repeats the substance of a longer discussion.
12. Sluggish tailless Australian arboreal marsupial with gray furry ears and coat.
17. State in northeastern India.
21. A boy or man.
23. Having undesirable or negative qualities.
25. An informal term for a father.
28. Type genus of the Aceraceae.
29. A British peer ranking below a Marquess and above a Viscount.
31. A flexible container with a single opening.
34. A flat-bottomed volcanic crater that was formed by an explosion.
35. 4-wheeled motor vehicle.
36. A loose sleeveless outer garment made from aba cloth.
37. A decree that prohibits something.
39. King of Denmark and Norway who forced Edmund II to divide England with him.
41. A state of Uganda and site of a former Bantu kingdom.
42. Of or relating to alga.
43. The elementary stages of any subject (usually plural).
44. A city of northern Poland near the mouth of the Vistula River on a gulf of the Baltic Sea.
46. A coenzyme derived from the B vitamin nicotinic acid.
50. A city of central China.
51. A river in north central Switzerland that runs northeast into the Rhine.
53. A Gaelic-speaking Celt in Ireland or Scotland or the Isle of Man.
54. An organization of countries formed in 1961 to agree on a common policy for the sale of petroleum.
55. A quantity of no importance.
58. North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean.
59. A young woman making her debut into society.
60. (Irish) Mother of the ancient Irish gods.
63. (Akkadian) God of wisdom.