diff --git a/src/server/router/api_router.js b/src/server/router/api_router.js
index c34e281..163e37e 100644
--- a/src/server/router/api_router.js
+++ b/src/server/router/api_router.js
@@ -13,6 +13,8 @@ const Product = require('../models/product');
 const ProductInfo = require('../models/productInfo');
 const Author = require('../models/author');
 
+const tools = require('../tools/general');
+
 router.post('/test-lungo', authenticate, (req, res) => {
   const timeout = req.body.timeout;
 
@@ -337,6 +339,11 @@ router.post('/api/convert-csv-to-xls', upload.single('csv'), (req, res) => {
   }
 });
 
+// Funzione per "escapare" i caratteri speciali
+const escapeRegExp = (string) => {
+  return string.replace(/[.*+?^=!:${}()|\[\]\/\\]/g, '\\$&'); // Escape dei caratteri speciali
+};
+
 // API per la ricerca dei libri
 router.post('/search-books', authenticate, async (req, res) => {
   const { books } = req.body;
@@ -349,44 +356,94 @@ router.post('/search-books', authenticate, async (req, res) => {
     // Crea un array per raccogliere i risultati
     let results = [];
 
-    let productInfo = null;
     let product = null;
 
     for (const book of books) {
-      for (const field of book) {
+      let trovatoISBN = false;
+      let trovato = false;
+      for (let field of book) {
+        field = field.trim();
         let valido = typeof field === 'string' && field.length > 4 && field.length < 50;
         if (valido) {
           // Cerca il primo record che corrisponde per ISBN o titolo
           if (true) {
-            productInfo = await ProductInfo.findOne({
-              $or: [{ code: field.toUpperCase() }, { name: new RegExp(`.*${field.toUpperCase()}.*`, 'i') }],
-            }).exec();
-            if (productInfo) {
-              product = await Product.findOne({ idProductInfo: productInfo._id }).exec();
-              if (product) {
-                const existingResult = results.find((r) => r._id.toString() === product._id.toString());
-                if (!existingResult) {
-                  let titolo = productInfo.name;
-                  results.push({
-                    ...product,
-                    productInfo,
-                    _id: product._id,
-                    title: titolo,
-                    isbn: product.isbn,
-                    authors: await Promise.all(
-                      productInfo.idAuthors.map(async (authorId) => {
-                        const author = await Author.findById(authorId).exec();
-                        return author ? `${author.name} ${author.surname}`.trim() : '';
-                      })
-                    ),
-                    select: true,
-                  });
+            if (!trovatoISBN) {
+              let productInfoarrISBN = await ProductInfo.find({
+                code: field.toUpperCase(),
+                $or: [{ deleted: false }, { deleted: { $exists: false } }],
+              }).exec();
+
+              // Priorità se lo trovo per ISBN:
+              if (productInfoarrISBN.length === 1) {
+                productInfo = productInfoarrISBN[0];
+                trovatoISBN = true;
+                trovato = true;
+              }
+            }
+            if (!trovatoISBN && !trovato) {
+              // Prima cerca se è esattamente cosi
+              let productInfoarrTitle = await ProductInfo.find({
+                $or: [{ deleted: false }, { deleted: { $exists: false } }],
+                name: field,
+              }).exec();
+              if (productInfoarrTitle.length === 1) {
+                productInfo = productInfoarrTitle[0];
+                trovato = true;
+              } else {
+                if (productInfoarrTitle.length > 1) {
+                  // Prendi l'Ultimo !
+                  productInfo = productInfoarrTitle[productInfoarrTitle.length - 1];
+                  trovato = true;
+                }
+              }
+              if (!trovato) {
+                // Altrimenti per Titolo
+                productInfoarrTitle = await ProductInfo.find({
+                  $or: [{ deleted: false }, { deleted: { $exists: false } }],
+                  name: new RegExp(`.*${escapeRegExp(tools.removeAccents(field.toUpperCase()))}.*`, 'i'),
+                }).exec();
+                if (productInfoarrTitle.length === 1) {
+                  productInfo = productInfoarrTitle[0];
+                  trovato = true;
+                } else {
+                  if (productInfoarrTitle.length > 1) {
+                    // Prendi l'Ultimo !
+                    productInfo = productInfoarrTitle[productInfoarrTitle.length - 1];
+                    trovato = true;
+                  }
                 }
               }
             }
           }
         }
       }
+
+      if (trovato) {
+        if (productInfo) {
+          product = await Product.findOne({ idProductInfo: productInfo._id }).exec();
+          if (product) {
+            const existingResult = results.find((r) => r._id.toString() === product._id.toString());
+            if (!existingResult) {
+              let titolo = productInfo.name;
+              results.push({
+                ...product,
+                productInfo,
+                _id: product._id,
+                title: titolo,
+                isbn: product.isbn,
+                authors: await Promise.all(
+                  productInfo.idAuthors.map(async (authorId) => {
+                    const author = await Author.findById(authorId).exec();
+                    return author ? `${author.name} ${author.surname}`.trim() : '';
+                  })
+                ),
+                select: true,
+              });
+            }
+          }
+        }
+      }
+      //
     }
 
     res.status(200).json(results); // Restituisci i risultati trovati