Match all the orbs by the colors they flash.
Labeling each orb with a letter, the matches are:
A B C D E F
G H I J K C
L M N J M B
K E A F G L
O I O N H D
Completing the matches reveals a message "How many rays". Counting the number of rays on the image of the live event gives the answer of seventeen.
Next book: Laser