How to insert line to flipping book pages?

1stFlip Flash/HTML5 page flip book software allows you to convert PDF to Flash or HTML5 page-flipping book and add line to any part of any page flip page.

Step 1 Import PDF and click the Edit Pages button

flash flipbook maker, html5 flipbook maker

Step 2 Click the Add Line button below and draw a line anywhere you want. Under the Setting tab you can choose Line Type, Line Color, Line Width and Line Alpha.

add line to digital flipbook

At last, click to save the flash flipbook and exit.