This overview of library services for pre-school and primary school children in Tanzania includes a brief description of the economic and educational situation of the country, an outline of the aims of library service to young children in Tanzania, a discussion of the responsibilities of library professionals in implementing library service aims, a review of the problems facing libraries in Tanzania (e.g., lack of suitable reading materials, lack of an organized distribution network for library materials, the absence of printing facilities), and a description of the programs undertaken by the Tanzanian Library Service to overcome such problems. Activities relating to library staffing, book exhibitions, and specific library programs for children (story telling, educational quizzes) are also briefly described. A reference list is included. (JL)