“ | Learn how to whistle so loud you increase pierce on all attacks | ” |
~ BATTD description |
Whistling Book is a common trinket in Bloons Adventure Time TD. It increases the user's pierce by 1 when used.
Description[]
The Whistling Book is a blue-covered book with "How to Whistle" written on the cover.
See also[]
- Candycorn Spear, a common trinket that also gives +1 pierce, but gives +1 more pierce to Princess Bubblegum.