Hacking competition planned on April 21

The Leonardtown library will hold the Capture the Flag: Ethical Hacking Cybersecurity Competition on Saturday, April 21, from noon to 3 p.m. MAGIC’s Capture the Flag is an ethical hacking cybersecurity competition for entry-level participants at the high school and college level. No prior experience is required and the event is free for participants. Students who can do so, should plan to bring their own laptops. Pizza and beverages will be provided and every participant gets a T-shirt. Registration is required.

Book sale coming this month to fairgrounds

The Friends of the St. Mary’s County Library annual spring book sale will be held Friday, April 13, through Sunday, April 15. The annual event takes place at the St. Mary’s County Fairgrounds and offers more than 100,000 books. The Friday sale is open only to members of the Friends of the St. Mary’s County Library; people can join at the door. Only checks or cash will be accepted, although there is an ATM on site.

Video game group to meet at Leonardtown

The Leonardtown library will host its Video Game Club on Monday, April 23, from 5 to 6 p.m. Looking for a place to talk about and play video games with friends? Each session of the club will feature one newer and one retro system, so what will be nostalgic for some will be completely new to others. Take part in tournaments to win bragging rights, and feel free to bring gaming handhelds. Pokémon cards are also welcome. For all ages, no registration required.

Show love for trees

The Charlotte Hall library will hold “We Love Trees!” class on Wednesday, April 25, from 2 to 3 p.m. Go green with your favorite librarians, and prepare to get a little messy. Children will take home a tree or flower to plant. All supplies provided by the library. Free, for all ages, and no registration required.

Learn to use Excel

The Lexington Park library will hold Microsoft Office: Introduction to Excel on Thursday, April 26, from 2 to 4 p.m. This class is recommended for individuals who are new to Microsoft Excel or have limited spreadsheet experience. Students will learn time-saving features and tips for using Excel effectively. Prerequisite is basic skills in using the mouse and keyboard. Adult computer classes are limited to ages 16 and up. Registration is required.

Teens can learn about banking and finances

The Lexington Park library will hold a special Teen Night about banking for Money Smart Week on Thursday, April 26, from 5 to 7 p.m. Join a crash course on financial fitness, basic budgeting and making the most of your money. A local bank employee will be presenting all the tips and tricks for being frugal in today’s society. Stay afterwards and become a pawn in a life-sized game of Monopoly. Registration is required. For ages 14 to 18.

Do yoga at the library

The Lexington Park library will hold Yoga at the Library class on Saturday, April 28, from 9:30 to 10:30 a.m. This is a yoga basics class that is appropriate for all levels of experience. Come and learn how to align the mind, body and breath as you move your joints through the appropriate range of motion. This basics class is offered in a relaxed learning environment. Open to all levels of interest and ability. Bring a yoga mat or a towel. Registration is required.