Calendar

Tot Lot. 9 a.m.-noon, Hyde Park Neighborhood Club, 5480 S. Kenwood Ave., info@babyphd.com, classes are $9 drop-in, $45 for a 10-session pass or $65 for a monthly pass. This class is intended for children 0-4 and their caregivers or parents to get together on a regular basis to learn, play and benefit from one another’s company.

Tot Lot and Outdoor Playground. 9 a.m.-1 p.m., Hyde Park Neighborhood Club, 5480 S. Kenwood Ave., 773-643-4062, hpnclub.org, $9 drop-in, $45 for a 10-session pass or $65 for a monthly pass.

Infant Sign Language. 10:45 a.m., Hyde Park Neighborhood Club, 5480 S. Kenwood Ave., 773-643-4062, hpnclub.org, sdiwan@hpnclub.org, $9 drop-in, $45 for a 10-session pass. Caregivers learn basic signs through the use of familiar children’s music, stories, and games. To maximize children’s learning only a few new signs are presented each week. Signs are in American Sign Language.

Lecture. 7-8:30 p.m., 773-753-4821. Logan Center, 915 E. 60th St. Los Angeles-based artist Frances Stark presents.

Mindfulness Meditation. 1-2 p.m., Rockefeller Chapel, 5850 S. Woodlawn Ave., 773-834-5143, free.

Become a Financial Scholar with EverFi. 4-5 p.m., Blackstone Library, 4904 S. Lake Park Ave., 312-747-0511. An introduction to financial literacy resources. For children grades 3 through 12.

Lecture. “Amiable with Big Teeth: The Discovery and Authentication of Claude McKay’s Long Lost Novel.” 4:30-6 p.m., Regenstein Library, The Special Collections Research Center, 1100 E. 57th St., 773-834-3404. Brent Edwards, of Columbia University, and his former student Jean-Cristophe Cloutier, who received a PhD from Columbia University, present.

Lecture. “Can Christian Ecological Ethics Learn from Free Market Environmentalism?” 4:30-6 p.m., Swift Hall, Third Floor Lecture Room, 1025 E. 58th St., 773-702-8200. Kevin J. O’Brien, of Pacific Lutheran University, presents.

Lecture. “The Politics of Debt and the Deficit of Trust in Washington.” 4:30-6 p.m., Institute of Politics, 5707 S. Woodlawn Ave., 773-834-4671, free. Former Ohio Rep. Steve LaTourette presents.

A Conversation with Stanley Tigerman and Margaret McCurry. 5-7 p.m., Seminary Co-op Bookstore, 5751 S. Woodlawn Ave., 773-752-4381, semcoop.com. Tigerman and McCurry, the architects for the Seminary Co-op’s new space, present.

Fantasy and Science Fiction Book Club. 6:30 p.m., Blackstone Library, 4904 S. Lake Park Ave., 312-747-0511. Participants will discuss John Scalzi’s “Redshirts.”