Trees’ author at Linden Tree

Ann Coombs, Los Altos resident and author/photographer of “Trees of Los Altos,” will sign books 2-4 p.m., April 30, at Linden Tree Children’s Recordings & Books, 170 State St., Los Altos.

The book, published last May with the help of the city’s Environmental Committee and the Los Altos Community Foundation, features 138 different trees in its 80 full-color pages.

“Trees of Los Altos” updates the 1970 “Trees of Los Altos” publication, which was printed in black-and-white.

For more information, call 949-3390.