  | 150th Anniversary Events | 150th Anniversary Events |
| | Adult Library Events | Adult events are events that are targeted for adults. They include author visits, special programs, and many other types of events. |
| | Augusta Branch | |
| | Big Read Events | List of events and programs related to the Big Read. |
| | Bookmobile Branch | |
| | Children's Events | Children's events include Story Time, Book and Babies, Summer Reading Program, and many other events targeted to children from babies to grade school. |
| | Civics Book Group | This group will discuss a series of books about government, historical perspectives and related topics. This is a place for civil conversation while learning how to be a more knowledgeable and effective citizen. Limited copies of each book are available to borrow at the Information Desk. |
| | Computer Classes | List of computer classes available in the computer lab.
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| | Daytimers Book Group | |
| | East Helena Branch | |
| | Exhibits | |
| | Family Events | A Calendar listing the events that appeal to all ages or families. |
| | Great Books Group | |
| | Holiday Calendar | |
| | Library Board | |
| | Library Foundation | |
| | Lincoln Branch | |
| | Mystery Book Group | |
| | Premier Book Group | |
| | Special Events | |
| | Teen Events | Teen Events at Lewis & Clark Library are designed for young adults in grades 6-12. Come for fun, food, and friends! Plus snacks. Really good snacks! We have programs for gamers, for writers, for athletes, for nerds....there is a little something for everyone. Events are always free for teens. |