Read the feature here.

For nine students, that simple instruction turned into a journalism project, which included an on-the-ground reporting trip in Nevada, digging through F.B.I. files from the National Archives and meeting face to face with modern-day fourth graders in southern Russia. This year, they published their findings in a book, “Classroom 15: How the Hoover F.B.I. Censored the Dreams of Innocent Oregon Fourth Graders.”

“It is such a small story, but it resonates so much with the time that it was in,” said Julia Mueller, who worked as the project’s managing editor and wrote a chapter in the book.