Barack and Michelle Obama are spreading the joy of reading.

On Thursday, the former U.S. President and First Lady released a new video as part of the Chicago Public Library’s “Live from the Library” series, where the two read a children’s book.

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The book they chose is The Word Collector, a picture book by Peter H Reynolds.

“We chose this book because it illustrates the transformative power of words,” Barack says in the video. “I love words.”

“Yeah, your favourite,” Michelle agrees.

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After finishing the adorable story, Michelle manages to make a crack about her husband’s ears.

“Mine are a little bigger than Jerome’s,” Barack says about the character in the book, to which Michelle jokes, “A lot bigger.”