In the last page of PDF file you'll receive a link and password to get into heyzine website for an EBook version. After you download the PDF to your computer, print it on Letter-sized (8.5 x 11 inches) paper and give it to your kids.You can also print out the pages on A4 paper, but since the file is in US Letter format, you’ll want to double-check your printer settings to ensure that nothing is being cut off. You can do this by adjusting the print size using the “Scale to Fit” setting.