How to add multiple entries of the same book with unique ID in a library database?

Off the top of my head without any detailed analysis, I believe you should have multiple tables. Study what I entered below and expand with information gathered from your customer.

Table 1 - Titles (One entry per title)
ID IsIdentity
CategoryID Foreign Key ID of Table 4 - Category
Title
Edition
Author Foreign Key ID of Table 5 - Author
Publisher Foreign Key ID of Table 6 - Publisher
Publication Year
Keywords
Synopsis
LOC Number
ISBN Number
Call Number

Table 2 - Branch (Each library branch location)
ID IsIdentity
Name
Address
City
State
Zip
Phone
EmailAddress

Table 3 - Customer (Each person with a library card)
ID IsIdentity
Name
Address
City
State
Zip
Phone
EmailAddress
LibraryCardNumber
LibraryCardIssuedDate
LibraryCardExpiresDate

Table 4 - Category (Fiction, Non-Fiction, History, etc.)
ID IsIdentity
CategoryName

Table 5 - Author (Book Author)
ID IsIdentity
Name
Birth Year
Death Year

Table 6 - Publisher (Book Publisher)
ID IsIdentity
Name
Address
City
State
Zip
Phone
EmailAddress

Table 6 - CopiesOfTitle (Each copy of a title)
ID IsIdentity
TitleId Foreign Key Id of Table 1 - Titles
BranchID Foreign Key Id of Table 2 - Branch
Condition
Acquisition Cost
Acquisition Date
CheckedOutByID Foreign Key Id of Table 3 - Customer
DateDue

Table 7 - CustomerFines (History of fines paid and unpaid)
ID IsIdentity
CustomerID Foreign Key ID of Table 3 - Customer
BookID Foreign Key ID of Table 6 - CopiesOfTitle
FineDate
FineValue
FineDays
FineWaived
PaidValue
PaidDate
TimesNotified