“Remarkably Bright Creatures” book signing: 6:30 p.m., First Congregational Church, 1128 Pine St., Boulder. Shelby Van Pelt will speak about and sign her latest novel “Remarkably Bright Creatures.” Marcellus, an octopus must use every trick his old invertebrate body can muster to unearth the truth before it’s too late. $10-$20, boulderbookstore.net.

Inclusive Playgroup: 2 p.m., Boulder Public Library, 1001 Arapahoe Ave., Boulder. An inclusive playgroup designed to include kids with developmental disabilities. A chance for littles to have a sensory play and caregivers to socialize and find support. Drop-ins welcome. For children ages 0-5 years old. Must be accompanied with a caregiver. calendar.boulderlibrary.org.

Spanish Music and Movement with Elisa Garcia: 10:15 a.m. Tuesday, Boulder Public Library, 1001 Arapahoe Ave., Boulder. Elisa Garcia leads classes for kids with Music & Creative Movement mostly in Spanish and a small amount of English. With her guitar, percussion and songs, Garcia leads kids to explore, imagine and play through movement and dance. Kids will get to explore using their bodies along with other props like scarves and shakers. calendar.boulderlibrary.org.

Earth Day story time: 4 p.m. Tuesday, Meadows Branch Library, 4800 Baseline Road, Boulder. Share books, sing songs and make a craft that teaches children the importance of treating the Earth with kindness. calendar.boulderlibrary.org.

The Aristocrats concert: 8 p.m. Tuesday, The Fox Theatre, 1135 13th St., Boulder. Over the past 12 years, The Aristocrats, featuring guitarist Guthrie Govan, bassist Bryan Beller and drummer Marco Minnemann, have established themselves as one of the most musically original, refreshingly irreverent and astoundingly entertaining instrumental rock-fusion acts on the planet. z2ent.com.

“On Becoming a Guinea Fowl” film screening: 4:30 p.m. Wednesday, Dairy Arts Center, 2590 Walnut St., Boulder. On an empty road in the middle of the night, Shula stumbles across the body of her uncle. As funeral proceedings begin around them, she and her cousins bring to light the buried secrets of their middle-class Zambian family in filmmaker Rungano Nyoni’s surreal and vibrant reckoning with the lies we tell ourselves. Rated PG-13. $12, thedairy.org.

“Grace Retraces Her Day” book signing: 5:30 p.m. Wednesday, Boulder Book Store, 1107 Pearl St., Boulder. Cheryl Lock will speak about and sign her new book “Grace Retraces Her Day.” Registration required. Free, boulderbookstore.net.

Great Decisions: 2 p.m. Thursday, NoBo Corner Library, 4600 Broadway, Boulder. Read and discuss foreign policy and current events with fellow peers. Read a well-researched article before the program, then watch a short presentation on the topic before the discussion. Articles and videos are presented by the Foreign Policy Association. This month’s topic is U.S.-China Relations. Registration required. calendar.boulderlibrary.org.

Pizza Party Thursdays: 4:30 p.m. Thursday, Boulder Public Library, 1001 Arapahoe Ave., Boulder. Come hang out with friends or make some new ones in the Teen Space while enjoying pizza. Play video games, make arts and crafts or just hang out. Pizza Party Thursdays are every second Thursday of the month. For grades 6-12. calendar.boulderlibrary.org.

How to Create a Habitat Garden program: 5:30 p.m. Thursday, Boulder Public Library, 1001 Arapahoe Ave., Boulder. In this program, participants will learn how to create a habitat garden that supports local wildlife. Explore the benefits of native plants, sustainable gardening practices and how to design an outdoor space to foster a thriving ecosystem. Ideal for gardeners of all levels. calendar.boulderlibrary.org.

Chappell Roan Liquid Sky show: 8:30 p.m. Thursday, Fiske Planetarium, 2414 Regent Drive, Boulder. The music of Chappell Roan enters the dome with its vivid melodies and beats accompanied by beautiful liquid sky visuals. Catch songs like “Goodluck Babe!”, “Femininomenon” and “HOT TO GO!” Fiske’s mind-melting Liquid Sky is a musical, all-you-can-eat eye candy buffet. $8-$12, 303-492-1411, calendar.colorado.edu.

BVSD plant sale: 3 p.m. Friday, BVSD Greenhouse, 6500 Arapahoe Road, Boulder. Come support the annual BVSD Plant Sale, and find garden staples, including flowers, herbs and veggies. All plants are pollinator friendly and organically grown with help from BVSD staff, students and community members. 100% of plant sale proceeds support nutrition education and farm to school programming for BVSD’s 31,000 students. Free, food.bvsd.org.

Editor’s note: Availability and scheduling of events may be subject to change.