crwdns2933897:0crwdne2933897:0

Why are there black lines running through the page?

Running grey/black lines

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2853045:0crwdne2853045:0 crwdns2853046:0crwdne2853046:0
crwdns2889612:0crwdne2889612:0 0

crwdns2942205:01crwdne2942205:0:

Does this just happen in the E-Book or is this on the screen, like in the browser?

crwdns2934271:0crwdnd2934271:0crwdne2934271:0

crwdns2934285:0crwdne2934285:0