Why can't I sync all my books? I'm using iTunes 12.4.1.6, with iBooks 1.5 on OS X 10.11.5, along with an iPad Mini and iPhone 6. My iBooks collection contains about 360 books, including data sheets for electronics components, recipe books, ph...view more How to edit multiple books' category at once Is there a way to select and edit multiple books' category at the same time? I know how to edit the information on a single book (How to edit book information in iBooks for Mac - Apple Support), but not how t...view more How can i download my books and pdf files back to my iBooks library instead of iCloud? Hello I have a mac mini and recently i've decided to upload my whole library to iCloud just for the fun of it and checking the service (stupid me). Since i have the basic plan for my iCloud storage (5GB) it go...view more iBooks - adding new ebooks and iCloud I'm trying to add a folder of ePub books I forgot I had to iBooks. There are about 16gig of files in the folder, so to be fair I did expect a few challenges. What I didn't expect was that iBooks failed t...view more iBooks : Couldn't Communicate with a helper application. I am getting this error everytime "Couldn't Communicate with a helper application." App doesn't open or work. I cant sync ibooks in itunes also. I remember it started happening after i closed some serv...view more iBooks not syncing PDFs thru iTunes or iCloud the last time I opened iBooks on my macbook, was asked if I wanted to sync thru iCloud. Works well with calendars on my 3 devices (iPhone, iPad, macbook) so I said yes. But none of my new PDFs in iBooks on macbook app...view more Where are my iBooks stored on time machine Hello, I recently had to install a fresh copy of OS X El Capitan onto my 2010 iMac 27" desktop and I am having trouble locating the file extension that had over 100 books. Most of my books were conversions when...view more iBooks - multiple copies of the same pdf file Hi, whenever I add certain pdf files to my iBooks library (synced with iCloud), not 1 but 2 copies of each of these files appear simultaneously in the same folder/category. When one of these copies are deleted the oth...view more Itunes doesn't authorize the computer or sign in I am not able to authorize the computer when I sync my both phones iphone 6 & 5 with latest ios. Infact Account -> Sign In or Account-> Authorizations -> Authorise this computer menus in Itunes do...view more Sync pdfs from ibooks to mac? I've got a bunch of pdfs on iBooks on my iPhone that I would like to have on my computer, but they won't sync. All of the collections show up on iBooks, but they are all empty. I think I have done everything I should ...view more Cannot Transfer Books to my Mac I downloaded 4 books to my iPhone using the iTunesU. I can read these books using the iBooks on my iPhone. I tried to transfer these books to my Mac without success. Their covers appear at the iBooks with the cloud at...view more Why can't I highlight original pdf with iBooks' preview while I can from preview only? I have what appear to be a permission issue when I modify a book from iBooks' preview: The message I get is something like "this document can't be modified: a copy has been created", in french. If I modify the same ...view more how do you auto save as an iBooks file from a Safari PDF page several versions of Safari ago when ever a large PDF document such as an NTSB accident report was displayed in a Safari tab there would be a button in the upper right of the first page of the document that said "Save ...view more iBooks - books deleted from library Today I accidentally hit "Move books from iTunes" in the iBooks file menu on my mac. Without further confirmation iBooks started with the import. Now a lot - but not all - of my PDFs and eBooks are gone. I can't even ...view more a purchased book I just purchased a book -I am Zaltan.I was charged for it but i cannot see it in my library.What is happening?view more want to delete Apple Education iBook I was curious about Apple Education iBook and downloaded from iTunes U and want to delete it. I usually delete the iBook by selecting the cover and hit delete key but Apple Education iBook won't delete it. Is there a ...view more Tutoriel pour widget Révision Je cherche un tutoriel donc pour faire un questionnaire avec le widget Révisions sur iBooks ;je ne trouve rien sur le net et je n'est pas compris le système de réponse ,pas de fenêtre supplém...view more how I can underline or highlight a line while reading a pdf book in ibook can you tell me how I can underline or highlight a line while reading a pdf book in ibook app. <Re-Titled by Host>view more iCloud Syncing between devices is not working I am running macOS 10.11.5 with iBooks 1.5, and iOS 9.3.2 and the most recent version of iBooks for iOS. I recently added 10 new ePubs (not purchased from the iBooks Store) to iBooks and deleted 2 PDFs from iBooks for...view more PDFs added on iPad don't sync to Mac When I add PDFs to iBooks on my iPad, they never sync back (i.e., are not added) to iBooks on my Mac. iCloud Drive is enabled. iTunes controls which books get synced from Mac to iPad, but I'm not sure what other optio...view more