But, how could I say "no"?

Since you've always wanted a hamster, you say "yes" without a second thought. Then you take the time for a second thought. . . .

. . . .and a third. . . .

. . . .and a fourth. . . .

. . . .and you realize it probably would have been better if you'd asked permission first.

Oh boy, are you in trouble now!

Maybe, just maybe, you'll be allowed to keep the hamster if you can prove that you know all about hamsters and how to care for them.

One problem: you don't have a clue about hamsters.

So, you want to learn about hamsters, do you?

Well, you've come to the right place! By the time you work your way through these exercises, you'll be an expert on hamsters.

Well, maybe not an expert, but you'll know enough to be able to keep one happy and healthy for its entire life.