Northbrook Public Library Reference Staff can answer your questions during our regular business hours. If you need immediate assistance, please call us at 847-272-6224 or e-mail us at

We are open:

Monday-Thursday 9-9
Friday 9-6
Saturday 9-5
Sunday 1-5

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5 + 4 =
Solve this simple math problem and enter the result. E.g. for 1+3, enter 4.