Anderson Cooper hosts Scholastic's Dinosaur13 live web cast at Scholastic in New York, on December 5, 2014.
Photo by: Cynthia Carris for Scholastic, Inc.

Anderson Cooper hosts Scholastic's Dinosaur13 live web cast at Scholastic in New York, on December 5, 2014.
Photo by: Cynthia Carris for Scholastic, Inc.

Anderson Cooper hosts Scholastic's Dinosaur13 live web cast at Scholastic in New York, on December 5, 2014.
Photo by: Cynthia Carris for Scholastic, Inc.

Anderson Cooper hosts Scholastic's Dinosaur13 live web cast at Scholastic in New York, on December 5, 2014.
Photo by: Cynthia Carris for Scholastic, Inc.

Anderson Cooper hosts Scholastic's Dinosaur13 live web cast at Scholastic in New York, on December 5, 2014.
Photo by: Cynthia Carris for Scholastic, Inc.

Anderson Cooper hosts Scholastic's Dinosaur13 live web cast at Scholastic in New York, on December 5, 2014.
Photo by: Cynthia Carris for Scholastic, Inc.

Anderson Cooper hosts Scholastic's Dinosaur13 live web cast at Scholastic in New York, on December 5, 2014.
Photo by: Cynthia Carris for Scholastic, Inc.

Jeff Kinney, author of the Wimpy Kid Series, at the live webcast and interview for kids during the cover reveal of his new book, Diary of a Wimpy Kid Double Down, on April 28, 2016, in New York City.

Jeff Kinney, author of the Wimpy Kid Series, at the live webcast and interview for kids during the cover reveal of his new book, Diary of a Wimpy Kid Double Down, on April 28, 2016, in New York City.

Jeff Kinney, author of the Wimpy Kid Series, at the live webcast and interview for kids during the cover reveal of his new book, Diary of a Wimpy Kid Double Down, on April 28, 2016, in New York City.

Jeff Kinney, author of the Wimpy Kid Series, at the live webcast and interview for kids during the cover reveal of his new book, Diary of a Wimpy Kid Double Down, on April 28, 2016, in New York City.

Jeff Kinney, author of the Wimpy Kid Series, poses with the cover of the new book, Diary of a Wimpy Kid Double Down, at the cover reveal, on April 28, 2016, in New York City.

Jeff Kinney, author of the Wimpy Kid Series, poses with the cover of the new book, Diary of a Wimpy Kid Double Down, at the cover reveal, on April 28, 2016, in New York City.