1. It's fascinating.
2. It's intriguing.
3. I couldn't tear myself away.
4. I couldn't put it down. (this phrase is used for en extremely interesting book)
5. I was so into it, I lost track of time.
6. It does nothing for me.
7. I was bored to tears.
8. I was bored to death.
9. I was dying of boredom.
10. It's about as exciting as watching paint dry. (= it's very boring)

Fact
Bees can communicate with other bees by dancing. Their dance can alert other bees as to which direction and the distance nectar and pollen is located      .. More >>