Error correction in .epub format file

We are looking for an author to adapt classic fairy tales into Ukrainian for a children's mobile application. At the first stage, we offer to complete one paid test task. If we are satisfied with the result, we plan to order the adaptation of 10 fairy tales and continue regular collaboration thereafter. Requirements: modern, natural Ukrainian language; simple and engaging text for children; adaptation and shortening of the original fairy tale without copying modern translations; preservation of the main plot and important details; approximate duration of the finished fairy tale - up to 10 minutes of reading. Examples of fairy tales: https://uk.wikisource.org/wiki/Баю-баю/Рукавичка, https://uk.wikisource.org/wiki/Баю-баю/Пан_Коцький Please provide an approximate cost for adapting one fairy tale and the timeframe for completion; whether you are willing to transfer exclusive property rights to the created text for commercial use; examples of your children's texts or similar works.

For 5 different companies, it is necessary to create entries in wikiDATA from scratch with key statements, in both English and Ukrainian versions. Data and references will be provided; only the technical execution of all stages is required. We are looking for a performer ONLY with experience working with wikidata or wikipedia.

Good day, it is necessary to edit only the Ukrainian part of the English-Ukrainian bilingual book. An example is attached. Thank you for your proposals.

2 PDF tables with 4 pages each, need to replace the text in each row. This needs to be done today as soon as possible.

I need someone who can prepare my already published book in a format suitable for Amazon KDP. Also need help with creating an Amazon account, publishing a book on Amazon, and setting up Amazon Print on Demand. If necessary, I can also ask to set up the option of sending printed copies of the book to buyers who order it within Ukraine.