A delightful children’s book titled “Casper – the Bear with Blue Lips” debuted on September 30, 2023, at 11:30 a.m. in Bulgaria’s literary club “Peroto” within the National Palace of Culture (NDK). Authored by Natalia Maeva, an accomplished journalist and (former) patient, President of the Bulgarian Society for Pulmonary Hypertension BSPPH, the book introduces young […]