00439nam a2200133Ia 4500 250814s9999 xx 000 0 und d 9780395693803 155.4 SEL Martin E. P. Seligman The Optimistic Child "Boston, Massachusetts" Houghton Mifflin Harcourt 1995 336 pages; illustrated; dimensions 17.15 x 3.81 x 23.5 cm 155.4 NF ENG 155_400000000000000 6139 KFPL KFPL ENG 2025-08-14 0 155.4 SEL KL-2024-003657 2025-08-14 09:05:56 NF ENG 6896 6896