From this app you can download all the must needed ebook of bcs examination.We recommend you to read this book online and also buy hard-copy from publishers.the app sections are divided into mathmatics and mental ability,bangladesh and international affairs,bangla,english,ict,science in mathmatics section you can find ebook of class 6, ebook of class 7,ebook of class 8,ebook of class 9-10,bcs oracle mathmatical reasoning, bcs oracle mental abality, a systematic approach to critical reasoning. In bangladesh and international affair section you can find bangladesh and bisshwo porichiti of class 7-8,bangladesh and world civilization,geography and environment, bcs professor bangladesh affair section,bcs professor international affairs assurance ethics,values and good governance, economic review 2015,economic review 2016 civics and citizenship, a brief history of liberartion war , ami bijoy dekheci by m.r. akther mukul,sheik mujib amar pita by sheikh Hasina, chorom potro by m.r.akther mukul, chotoder rajniti,in bangla section you can find the board book of class 9-10,bangla grammar class 9-10, rochona sombar class 9-10,bcs professor bangla, oshomapto attojiboni by Sheik mujibur rahman,koto nodir sorobor by humayun azad,moddho juger srestho kabita,lal nil dipaboli by humayun azad . In english section you can find class 9-10 english grammar and composition ,bcs professor english ,mp3 english review ,the anatomy of english sentence, Effective writting skill for advanced larners , common mistakes by t j , english irregular verbs by mcgraw hills, how english words, a grammar practice book, word map version 2 , in ict section you can find easy computer , computer and technology,information and communication book by mujibur rahaman ,in the science section you can find science ebook , physics ebook, chemistry ebook,biology ebook , bcs professor general science and technology.