1. The Happy Hollisters
2. The Happy Hollisters on a River Trip
3. The Happy Hollisters at Sea Gull Beach
4. The Happy Hollisters and the Indian Treasure
5. The Happy Hollisters at Mystery Mountain
6. The Happy Hollisters at Snowflake Camp(misprint of Cave in list)
7. The Happy Hollisters and the Trading Post Mystery
8. The Happy Hollisters at Circus Island
9. The Happy Hollisters and the Secret Fort
10. The Happy Hollisters at Pony Hill Farm
11. The Happy Hollisters and the Merry-Go-Round Mystery
12. The Happy Hollisters and the Old Clipper Ship
13. The Happy Hollisters at Lizard Cove
14. The Happy Hollisters and the Scarecrow Mystery
15. The Happy Hollisters and the Mystery of the Totem Faces
16. The Happy Hollisters and the Ice Carnival Mystery
17. The Happy Hollisters and the Mystery of Skyscraper City
18. The Happy Hollisters and the Mystery of the Little Mermaid
19. The Happy Hollisters and the Mystery at Missile Town
20. The Happy Hollisters and the Cowboy Mystery
21. The Happy Hollisters and the Mystery of the Haunted House
22. The Happy Hollisters and the the Secret of the Lucky Coins
23. The Happy Hollisters and the Castle Rock Mystery
24. The Happy Hollisters and the Cuckoo Clock Mystery
25. The Happy Hollisters and the Swiss Echo Mystery
26. The Happy Hollisters and the Sea Turtle Mystery
27. The Happy Hollisters and the Punch and Judy Mystery
28. The Happy Hollisters and the Whistle-Pig Mystery
29. The Happy Hollisters and the Ghost Horse Mystery
30. The Happy Hollisters and the Mystery of the Golden Witch (written by Grace Grote)
31. The Happy Hollisters and the Mexican Idol Mystery
32. The Happy Hollisters and the Monster Mystery
33.The Happy Hollisters and the Mystery of the Midnight Trolls
*note-Thanks to the help of Douglas and Chris, ALL of the titles are now in order! All of these titles can be found published by Doubleday (Anchor symbol) with dust jackets.
1. The Happy Hollisters
2. The Happy Hollisters on a River Trip
3. The Happy Hollisters at Sea Gull Beach
4. The Happy Hollisters and the Ice Carnival Mystery
*note-These titles are in order for this publisher. For some reason the books were published out of sequence. Go to the Coverstory page to see what #4 in this series looks like.
1. Los Felices Hollister (The Happy Hollisters) © 1984 by Toray publishing
1. Mystery of Ghost Canyon (1960)
2. Secret of Hermit's Peak (1960)
3. Range Rodeo Mystery (1960)
4. Mystery of Rawhide Gap (1960)
5. Mystery at Blizzard Mesa (1960)
6. Secret of Fort Pioneer (1961)
7. Mystery of the Comanche Caves (1962)
8. Phantom of Wolf Creek (1963)
9. Mystery of Bandit Gulch (1964)
1. The Mystery of the Lost Pony (1967)
2. The Mystery of Pirate Island (1967)
3. The Mystery of the old Jalopy (1967)
*note--This area will be divided into two sections. In some cases where it is thought Andrew Svenson wrote the book and in other cases where it is thought he outlined it. In some cases those he outlined will overlap with those titles he wrote.
1. Volume 28, The Sign of the Crooked Aroow (1949)
2. Volume 29, The Secret of the Lost Tunnel (1950)
3. Volume 30, The Wailing Siren Mystery (1951)
4. Volume 39, The Mystery of the Chinese Junk (1960)
5. Volume 45, The Mystery of the Spiral Bridge (1966)
6. Volume 48, The Artic Patrol Mystery (1969)
7. Volume 50, Danger on Vampire Trail (1971)
8. Volume 52, The Shattered Helmet (1973)
9. Volume 53, The Clue of the Hissing Serpent (1974)
10. Volume 54, The Mysterious Cavern (1975)
1. Volume 32, The Crisscross Shadow (1953)
2. Volume 33, The Yellow Feather Mystery (1954)
3. Volume 36, The Secret of Pirate's Hill (1956)
4. Volume 37, The Ghost of Skeleton Rock (1957)
5. **Volume 38, The Mystery at Devil's Paw (1959)
6. Volume 39, The Mystery of the Chinese Junk (1960)
7. **Volume 40, The Mystery of the Desert Giant (1961)
8. Volume 42, The Viking Symbol Mystery (1963)
9. Volume 45, The Mystery of the Spiral Bridge (1966)
10. Volume 47, The Mystery of the Whale Tattoo (1968)
11. Volume 48, The Artic Patrol Mystery (1969)
12. Volume 49, The Bombay Boomerang (1970)
13. Volume 50, Danger on Vampire Trail (1971)
14. Volume 51, The Masked Monkey (1972)
15. Volume 52, The Shattered Helmet (1973)
16. Volume 53, The Clue of the Hissing Serpent (1974)
17. Volume 54, The Mysterious Cavern (1975)
18. Volume 55, The Witch-Master's Key (1976)
**The outlines marked with the two asteric symbol were written by both Andrew Svenson AND Harriet Adams.
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Started on 2/13/97
© 1997,1998 Matt and Rachel Shreckengast