Издательство: | Egmont Books Ltd |
Дата выхода: | август 2011 |
ISBN: | 978-1-4052-5154-9 |
These books feature heat-reactive ink. When the ink is warmed with your hand, it momentarily vanishes to reveal hidden images, clues or answers. The covers feature shiny foil and a visual showing the ink in action, making an eye-catching shelf display.