Prastut pustak ke maadhyam se na keval praacheen, krshi va vartamaan kaaleen abhilekhon ka parichay diya gaya hai, balki unake aitihaasik mahattv aur visheshshataon kee bhee jaanakaaree dee gaee hai. vishv ke paanchon mahaadveepon mein maanav dvaara alag-alag samay mein kuchh aise adbhut nirmaan hue hain jinhen dekhakar hamaaree aankhen khulee kee khulee rah jaatee hain. praacheen aur madhyakaal mein jin saat rachanaon ko 7 chitronriyan kee soochee mein rakha gaya tha, ve rachanaen vastu aur kala kee drshshti se vilayan the. magar aadhunik kaal mein saat any nae ajoobe vishv ke saamane laee gae. ye ajoobe vaastukala ya vaastukala ke bajaay prakrti kee anokhee shaktiyon se banaayee gaee kuchh bhaugolik krtiyon thee. isamen bhaarat ke taajamahal ko bhee sthaan mila hai. haingiya sophiya, peesa kee jhukee meenaar, ephil tovar, empaayar stet bilding, vaashingatan smaarak ke saath-saath praacheen ajoobe mistr kee piraamid ko bhee shaamil kiya gaya tha. vartamaan samay mein vishv ke saat nae ajoobon ke chayan ka daayitv sevan da nyoo sevan vandars 'ne uthaaya hai. pustak mein rachanaon ke aitihaasik sanrdabhon ke saath unake nirmaataon ka bhee parichay diya gaya hai, jinhen aaj vakt ne bhula sa diya hai. vaastav mein yah pustak in inasaiklopeediya hai. pustak kee pramukh visheshshataen- praacheen kaaleen aashchary saat aashchary madhyamaargee saat aashchary mahaasaagaron ke saat aashchary sivil kshetr ke saat aashchary
