Click on the link to view the St. Martin de Porres sheet,
"A4" size with the option to print.   http://freecatechism.com/publications/st.martinA4/pdf

Click on the link to view the St. Martin de Porres sheet, with the option to print.    It is half page, legal sized, and fits into the legal sized booklet.
It may be printed letter sized by using the "Adobe reader" zoom and select controls.  http://freecatechism.com/publications/st.martin.pdf