Westport children's author Lauren Tarshis has released the sixth title in her "I Survived" series of historical-fiction books, the latest about the 9/11 attacks on the World Trade Center.

Written for readers in middle grades, "I Survived the Attacks of September 11, 2001" is the story of Noah, who plans to celebrate his 11th birthday exploring New York City with his father, a New York City firefighter, the publisher said in a news release.

The morning dawns bright and clear, but everything changes in an instant for Noah and his father after the World Trade Center is attacked, according to the release.

Tarshis research draws from first-hand accounts and explains the events of the 9/11 attacks to middle-grade readers, according to the publisher, Scholastic Paperbacks.

Among the author's previous "I Survived" books are fictionalized accounts of the sinking of the Titanic, Hurricane Katrina and the attack on Pearl Harbor. The series has more than two million copies in print, Scholastic Paperbacks said.

Tarshis also wrote the novel "Emma-Jean Lazarus Fell Out of a Tree," and she is the editor of "Storyworks" magazine for ages 7 to 10.