A CITY'S INFLUENCE-SITUATION Robert B. Mansour, 1982. Distributed by ETHOS, 2250 Midland Ave., Scarborough, ON, M1P3E6. (Urban Studies: Canada series). Kit. 2 film-strips, 65 frames, colour; 12 slides, colour. $59.50. (1. Situation 2. Central Place Theory). Includes 2 audiocassettes, teacher's guide. Grades 10 and up. Reviewed by the Evaluation Committee of the Board of Education for the City of North York. Volume 11 Number 5 1983 September For units of study on this topic, A City's Influence-Situation would be a most useful resource as it provides an excellent analysis of central place theory and situation. The teacher's guide includes useful background information, the concepts to be developed, and the narrator's script. Highly recommended. From the Evaluation Committee of the Board of Education for the City of North York.