Chelsea Clinton announced Monday that her newest children’s book will attempt to educate America’s youth about the growing number of endangered animals.

The book, titled “Don’t Let Them Disappear,” will be Clinton’s fifth published by Penguin Random House.

In a Twitter post Monday, the daughter of Former president Bill ClintonWilliam (Bill) Jefferson ClintonDo Trump and Sanders hate America? Ex-CIA chief calls Trump intel shakeup a 'virtual decapitation' of the intelligence community Meghan McCain after Gaetz says Trump should pardon Roger Stone: 'Oh come on' MORE and former Secretary of State Hillary ClintonHillary Diane Rodham ClintonBloomberg called Warren 'scary,' knocked Obama's first term in leaked audio Trump trails Democratic challengers among Catholic voters: poll Sanders under fire from Democrats over praise for Castro regime MORE said the book “introduces kids to 12 endangered animals and how we can prevent them from disappearing.”

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Scheduled for an April release, the book focuses on the potential extinction of whales, tigers and other lesser-known animals categorized as endangered.

Clinton's last book, “Start Now! You Can Make a Difference,” was aimed at youth activists.

She also penned “She Persisted: 13 American Women Who Changed the World” in 2017 and “She Persisted Around the World: 13 Women Who Changed History” earlier this year.