“Oliver’s Adventure,” a book by the late Marjorie E. Masek of Gloucester, has been published by Belle Isle Books, an imprint of Brandylane Publishers Inc. of Richmond.

Mimi Masek Ulsaker of Ware Neck, the author’s daughter, has brought this publication about.

She has organized a book launch to be held from 3-5 p.m. Tuesday at Nuttall’s Store in Ware Neck, and will endorse the books as a representative of her mother.

Both hardcover and softcover books will be available for purchase, with 5 percent off the cover price during the launch.

“Oliver’s Adventure” is a children’s book with a cross-generational appeal for all ages, Ulsaker explained. It tells the fictional story of young Oliver who grows up on the North River, loving everything about the water, land and its inhabitants, and has a great adventure of peril that has a happy ending.

Illustrating the book are paintings by Parks Duffey III commissioned by Masek. These are laid out as if seen in a museum gallery, with t...