Create Online eBook Reader - Only expert (Custom PHP)

Hello ▬ We have this website to sell eBooks [login to view URL] ▬ After buying the eBook we want them to be able to read it online ▬ We have already designed the reader page = [login to view URL] ▬ So the PDF & ePUB eBooks should be readable on this reader page ▬ You may have to convert the eBooks to HTML first - there are several 3rd party scripts to do that [login to view URL] [login to view URL] ▬ We want an expert PHP developer are agency who can demonstrate relevant skills to be able to complete this in 2-3 weeks Thanks *Start your proposal "Familiar with online readers"