Here are great ideas and good news from around the Winnefox Library System:
Take a drive to Madison for bargains on gently-used books at the Friends of the CCBC (Cooperative Children's Book Center) Spring Book Sale.
Plan to attend these free webinars; all you need is your computer & speakers or headphones (no microphone needed.) If you attend a live webinar, it may be counted as a Category B continuing education activity towards renewing librarian certification.
Webinars with a ★ are the ones I think you'll find most useful.
Here's an idea for a teen or adult program that lets crafters create "books" to add to a shelf to serve as hidden storage. This could also be a project for your volunteers or Friends group to create and sell as a fundraiser for your library.