RAWALPINDI – The parents have expressed grave concerns over disappearance of new curricular books in the market. The Punjab Text Book Board has changed the course of various books from 1st to 10th class for the new educational year. New books are short in the market and disappeared in almost all the areas of the city that is wasting the valuable time of the students and boosting worries of parents . While the hike in the prices of note books and stationery items are also adding worries of the parents . The parents , students and civil society demanded of the concerned authorities to take notice of the situation and to issue directives in this regard.