First published in 1922, ‘The Blue Envelope’ is a mysterious adventure from popular children’s author Roy J. Snell. Set in Alaska, young cousins Lucille and Marian are spending the winter here working as a schoolteacher and an artist respectively. However, when a mysterious and important letter arrives, the girls have an adventure ahead of them as they must ensure it gets to the right person and doesn’t fall into the wrong hands. Full of danger and adventure, this is a thrilling tale which will charm all age groups.Roy J. Snell (1878-1959) was a popular American author best known for his children’s fiction. Born in Missouri, Snell was raised on a farm in Illinois. At the age of 19 he attended Wheaton College, graduating in 1906. He became a Minister, before continuing his studies at Harvard University. Snell then moved to Alaska before joining the war effort serving with the Red Cross. WWI had interrupted his blossoming writing career, and upon his return from France Snell began writing in earnest. Many of his books drew on his own adventurous spirit and love of travel, and Snell went on to write over 70 young adult novels, many of which were also published under his pseudonyms, David O’Hara, James Craig and Joseph Marino. He died in 1959 at the age of 80.