diff --git a/src/main/java/library/domain/Author.java b/src/main/java/library/domain/Author.java
index 3f93d14..3f28170 100644
--- a/src/main/java/library/domain/Author.java
+++ b/src/main/java/library/domain/Author.java
@@ -1,7 +1,15 @@
 package library.domain;
 
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+
+@Entity
 public class Author implements IHaveId {
 
+	@Id
+	@GeneratedValue(strategy=GenerationType.IDENTITY)
 	private int id;
     private String name;
     private String secondName;
diff --git a/src/main/java/library/domain/Book.java b/src/main/java/library/domain/Book.java
index f9b5a99..5d4a4eb 100644
--- a/src/main/java/library/domain/Book.java
+++ b/src/main/java/library/domain/Book.java
@@ -2,9 +2,22 @@
 
 import java.sql.Date;
 
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.OneToOne;
+
+
+@Entity
+
 
 public class Book implements IHaveId{
+	
+	@Id
+	@GeneratedValue(strategy=GenerationType.IDENTITY)
     private int id;
+    @OneToOne
     private Publisher publisher;
     private Date releaseDate;
     private Date additionDate;
diff --git a/src/main/java/library/domain/Genre.java b/src/main/java/library/domain/Genre.java
index 43c690f..feba6c8 100644
--- a/src/main/java/library/domain/Genre.java
+++ b/src/main/java/library/domain/Genre.java
@@ -1,9 +1,41 @@
 package library.domain;
 
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.NamedQueries;
+import javax.persistence.NamedQuery;
+import javax.persistence.OneToOne;
+import javax.persistence.Table;
+
+@Entity
+@Table(name="gatunek")
+@NamedQueries({
+	@NamedQuery(name="genres.all", query="SELECT g FROM Genre g"),
+})
+
 public class Genre {
+	@Id
+	@GeneratedValue(strategy=GenerationType.IDENTITY)
+	private int id;
     private String name;
 
-    public String getName() {
+    @OneToOne
+    private Section section;
+    
+    
+    
+    
+    public Section getSection() {
+		return section;
+	}
+
+	public void setSection(Section section) {
+		this.section = section;
+	}
+
+	public String getName() {
         return name;
     }
 
diff --git a/src/main/java/library/domain/Publisher.java b/src/main/java/library/domain/Publisher.java
index 967bd07..b106872 100644
--- a/src/main/java/library/domain/Publisher.java
+++ b/src/main/java/library/domain/Publisher.java
@@ -1,13 +1,35 @@
 package library.domain;
 
+import java.util.List;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.NamedQueries;
+import javax.persistence.NamedQuery;
+import javax.persistence.OneToMany;
+import javax.persistence.Table;
+
+@Entity
+@Table(name="wydawca")
+@NamedQueries({
+	@NamedQuery(name="publishers.all", query="SELECT p FROM Publisher p"),
+	@NamedQuery(name="publishers.id", query="SELECT p FROM Publisher p WHERE p.id=:id")
+})
+
 public class Publisher implements IHaveId{
 	
+	@Id
+	@GeneratedValue(strategy=GenerationType.IDENTITY)
 	private int id;
 	private String name;
     private int phoneNumber;
     private String emailAdress;
     private String website;
 
+    @OneToMany(mappedBy="publisher")
+	private List<Book> books;
 
 	public Publisher(String name, int phoneNumber, String emailAdress,
 			String website) {
@@ -18,6 +40,17 @@ public Publisher(String name, int phoneNumber, String emailAdress,
 		this.website = website;
 	}
 
+	
+	public List<Book> getBooks() {
+		return books;
+	}
+
+
+	public void setBooks(List<Book> books) {
+		this.books = books;
+	}
+
+
 	public Publisher() {
 		super();
 	}
diff --git a/src/main/java/library/domain/Section.java b/src/main/java/library/domain/Section.java
index c123f3d..dd4264f 100644
--- a/src/main/java/library/domain/Section.java
+++ b/src/main/java/library/domain/Section.java
@@ -1,9 +1,31 @@
 package library.domain;
 
 import java.util.List;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.NamedQueries;
+import javax.persistence.NamedQuery;
+import javax.persistence.OneToMany;
+
+import javax.persistence.Table;
+
+@Entity
+@Table(name="sekcja")
+@NamedQueries({
+	@NamedQuery(name="sections.all", query="SELECT s FROM Section s"),
+	
+})
 
 public class Section {
+	
+	@Id
+	@GeneratedValue(strategy=GenerationType.IDENTITY)
+	private int id;
     private String name;
+    
+    @OneToMany
     private List<Genre> genres;
 
     public List<Genre> getGenres() {
diff --git a/src/main/java/library/web/rest/PublishersResources.java b/src/main/java/library/web/rest/PublishersResources.java
index 1a718a4..6d423a8 100644
--- a/src/main/java/library/web/rest/PublishersResources.java
+++ b/src/main/java/library/web/rest/PublishersResources.java
@@ -4,6 +4,8 @@
 import java.util.List;
 
 import javax.ejb.Stateless;
+import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
 import javax.ws.rs.GET;
 import javax.ws.rs.Path;
 import javax.ws.rs.PathParam;
@@ -12,26 +14,23 @@
 import javax.ws.rs.core.GenericEntity;
 import javax.ws.rs.core.MediaType;
 import javax.ws.rs.core.Response;
-
-import library.dao.repositories.IPublisherRepository;
-import library.dao.repositories.impl.HsqlCatalogFactory;
 import library.domain.Publisher;
 
 @Path("/Publishers")
 @Stateless
 public class PublishersResources{
-	IPublisherRepository _Publishers;
-	
-	public PublishersResources() {
-		//_Publishers = new HsqlCatalogFactory().library().publishers();
-	}
+
 	
+	@PersistenceContext
+	EntityManager mgr;
 	
 	@GET
 	@Produces(MediaType.APPLICATION_JSON)
 	public Response getAll(@QueryParam("page") int page,@QueryParam("max") int max){
 		
-		List<Publisher> Publishers = _Publishers.getPage(page, max);
+		List<Publisher> Publishers = mgr
+				.createNamedQuery("publishers.all", Publisher.class)
+				.getResultList();
 		if(Publishers.isEmpty())
 			return Response.status(404).build();
 		return Response.ok(new GenericEntity<List<Publisher>>(Publishers){}).build();
@@ -41,10 +40,14 @@ public Response getAll(@QueryParam("page") int page,@QueryParam("max") int max){
 	@Produces(MediaType.APPLICATION_JSON)
 	@Path("/{id}")
 	public Response get(@PathParam("id") int id){
-		Publisher publisher = _Publishers.get(id);
-		if(publisher==null)
+		List<Publisher> publishers = mgr
+				.createNamedQuery("publishers.id", Publisher.class)
+				.setParameter("id", id)
+				.getResultList();
+				
+		if(publishers.size()==0)
 			return Response.status(404).build();
-		return Response.ok(publisher).build();
+		return Response.ok(publishers.get(0)).build();
 	}
 	
 	@GET