Illustrator: Ruth Brown & Peter Barrett
Hollier-Larouse
Each volume has a number on the back & those numbers are the order of publication
*18 The Mystery at the Moss-Covered Mansion 1971 & 19 The Quest of the Missing Map 1969
The covers show a bit of discoloration especially around & including the spines
Set of 8 Sounds of Language Readers by Bill Martin, Jr. - 1970's School Books reference Illustrator: Ruth Brown & PeterTitle: Sounds of Language Readers, Set of 8 Books: Sounds I Remember, Sounds of Home, Sounds of Numbers, Sounds Around the Clock, Sounds of Laughter, Sounds of the Storyteller (Teacher's Edition), Sounds After Dark & Sounds of Mystery Format: Clothbound Hardcover Author: Bill Martin, Jr. in Collaboration with Peggy Brogan along with others noted in each edition Illustrator: various Publisher: Holt, Rinehart and Winston, Inc. Year: 1970, 1972, 1972,