Question: What books are written by the same person who wrote "Gregor and the Marks of Secret?"?
Answer(s):
answer: Gregor and the Curse of the Warmbloods
answer: Gregor the Overlander
answer: Gregor and the Marks of Secret
answer: Gregor and the Prophecy of Bane
answer: FIRE PROOF
answer: Gregor the Overlander
answer: Gregor and the Code of Claw (Underland Chronicles, Book 5)
answer: When Charlie McButton lost power
answer: The Underland Chronicles Book Three
answer: Gregor the Overlander (Underland Chronicles)
answer: Gregor the Overlander (Underland Chronicles (Sagebrush))
answer: Gregor the Overlander (Underland Chronicles (Turtleback))
answer: Gregor the Overlander
answer: Gregor the Overlander
answer: Gregor The Overlander (Underland Chronicles)
answer: Gregor the Overlander (Underland Chronicles)
answer: Gregor and the curse of the warmbloods
answer: Gregor and the marks of secret
answer: Gregor and the Prophecy of Bane (Underland Chronicles (Paperback))
answer: Gregor and the Prophecy of Bane (Underland Chronicles (Audio))
answer: Gregor and the Prophecy of Bane (Underland Chronicles (Turtleback))
answer: Gregor And The Code Of Claw
answer: Gregor and the Code of Claw (Thorndike Press Large Print Literacy Bridge Series)
answer: Fire Proof
answer: The Hunger Games

SPARQL query:
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SELECT DISTINCT ?x
WHERE {
FILTER (?x != ?c)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
?c ns:book.author.book_editions_published ns:m.028y9ks . 
?c ns:book.author.book_editions_published ?x .
}