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The Mount Prospect Library’s South Branch and the Community Connections Center will close at 4:30 p.m. today (6/11/26)

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Access Barron’s from Anywhere

We’re excited to announce that Mount Prospect Public Library now offers cardholders a full subscription to Barron’s Online — one of the most respected sources of financial news, investing insight, and market analysis available today. Whether you’re a seasoned investor, an industry professional, or someone who wants to stay smarter about the economy, Barron’s Online…

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tax form

Resources for Tax Season 

The filing deadline to submit 2025 tax returns and pay tax owed or to request an extension is Wednesday, April 15, 2026. Federal tax forms can be found online at irs.gov. To get federal tax forms sent to you, call 800-TAX-FORM (800-829-3676). Illinois tax forms are available at tax.illinois.gov   The library also has many commonly…

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