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- 3 complete fishing outfits
Inside front cover. Ad for fishing equipment from Niresk Industries.
- Script
- Stan Lee (credited)
- Pencils
- Jack Kirby (credited)
- Inks
- Chic Stone (credited)
- Colors
- ?
- Letters
- Artie Simek (credited as Art Simek)
- Job Number
- X-730
- First Line of Dialogue or Text
- Even on vacation, the F.F. never know when danger will strike!
- Genre
- superhero
- Characters
- Fantastic Four [Mister Fantastic [Reed Richards]; Invisible Girl [Sue Storm]; Human Torch [Johnny Storm]; The Thing [Ben Grim]; Baron Hugo; Featherstone; Diablo (introduction, villain)
- Synopsis
- On a vacation in Transylvania, the Fantastic Four encounter a castle inhabited by Diablo.
- Reprints
- in Die Fantastischen Vier (BSV - Williams, 1974 series) #27
- in Die Fantastischen Vier (Condor, 1979 series) #2
- in Marvel Collectors' Item Classics (Marvel, 1965 series) #22 (August 1969)
- in Marvel (Editions Lug, 1970 series) #5 (10 août 1970) [Reworked. Page 5 minus panel 2. Page 9 minus panel 6. Page 15 minus panel 1. Page 17 minus panel 1.]
- in I Fantastici Quattro (Editoriale Corno, 1971 series) #24 (22 Febbraio 1972)
- in The Mighty World of Marvel (Marvel UK, 1972 series) #61 (December 1, 1973) [pages 1-11], #62 (December 8, 1973) [pages 12-22; page 14 deleted; page 15 panel 6 only reprinted; page 15, panels 4-6 deleted]
- in De Fantastiske Fire [Fantastiske Fire superseriepocket] (Atlantic Forlag, 1979 series) #1 (1979)
- in Une Aventure des Fantastiques (Editions Lug, 1973 series) #32 - Le Sphinx et les Inhumains (4e trimestre 1983)
- in Marvel Masterworks (Marvel, 1987 series) #13 ([September] 1990)
- in Marvel Masterworks: The Fantastic Four (Marvel, 2003 series) #3 [Regular Edition] ([September] 2003)
- in Fantastic Four Omnibus (Marvel, 2005 series) #1 (2005)
- in Marvel Masterworks: The Fantastic Four (Marvel, 2009 series) #3 (2010)
- in Fantastic Four Epic Collection (Marvel, 2014 series) #2 - The Master Plan of Doctor Doom (2017)
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- Boys! Men! I'll help you master Yubiwaza
Ad for the Yubiwaza system of self-defense.
Between story pages 6 and 7.
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- Play 1964 big league baseball games
Ad for Strat-O-Matic baseball game. Located between story pages 11 and 12.
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- Come on, fella grab the chance to make $1 to $5 weekly and win dandy prizes, too
Ad soliciting sellers of Grit newspaper. On top half of page between story pages 14 and 15.
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- ? (ad copy)
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- Genuine shark’s tooth
Good luck charms from World Wide Specialities. On lower half of page between story pages 14 and 15.
- Script
- ? (ad copy
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- ?
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- No sweat! No strain! No exhaustion!
Two small ads from Scott-Mitchell House, for an isometric exerciser and for 100 magnets. On top half of page between story pages 19 and 20.
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- Curious coins! Odd paper money!
Advertisement for Littleton Coin Company's packet of coins and money on lower half of page between story pages 19 and 20.
- Pencils
- Jack Kirby (Marvel Tales Annual); Steve Ditko (Amazing Spider-Man Annual; Marvel Tales Annual)
- Inks
- Sol Brodsky (Marvel Tales Annual); Steve Ditko (Amazing Spider-Man Annual; Marvel Tales Annual)
- Colors
- ?
- Letters
- Sam Rosen (Marvel Tales Annual); Artie Simek (Amazing Spider-Man Annual); typeset
- Characters
- Spider-Man [Peter Parker]; Sinister Six [Sandman [Flint Marko]; Kraven [Sergei Kravinoff]; Dr. Octopus [Otto Octavius]; Mysterio [Quentin Beck]; Vulture [Adrian Toomes]; Electro [Max Dillon]]; Hulk [Bruce Banner]; Giant-Man [Henry Pym]; Thor [Thor Odinson; Donald Blake]; Sergeant Nick Fury; Iron Man [Tony Stark]
Between story pages 19 and 20. House advertisement for Amazing Spider-Man Annual (Marvel, 1964 series) #1 and Marvel Tales Annual (Marvel, 1964 series) #1 using reprints of their covers.
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- Spectacular! Old U.S.!
Various classified-style ads for stamps and other products. Between story pages 19 and 20.
- Script
- Stan Lee
- Colors
- ? (title panel only)
- Letters
- typeset
- First Line of Dialogue or Text
- Dear Stan and Jack, F.F. #26 was a wild one and I loved it!
- Feature Logo
- Fantastic 4 Fan Page
- Reprints
Letters of comment from readers Scott Frederick, Lucy and Joseph Fernandez, Jim McDaniel, Brady Flowers, Gail Sutton, James E. Kunkel, Bruce Levy, Chris Apostal, Bruce Hall, Gardner Ruffin and Beth Oxford, with replies from Lee. Includes special announcements section.
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- Boys! Men!
- Characters
- Mike Marvel (photo)
Ad for a muscle building system.
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- Are you proud of your paycheck?
Ad for the Commercial Trades Institute.
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- Treasure chest of fun
Ad for various novelty items from the Honor House Products Corp. Inside back cover.
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- Boys, girls, men, women
Ad for the Wallace Brown line of Christmas cards. Back cover.