diff --git a/attached_assets/Screenshot_20250508-014816.png b/attached_assets/Screenshot_20250508-014816.png
new file mode 100644
index 0000000..7fc7f8c
Binary files /dev/null and b/attached_assets/Screenshot_20250508-014816.png differ
diff --git a/client/src/pages/authors/AuthorProfile.tsx b/client/src/pages/authors/AuthorProfile.tsx
index d7582c1..4e3e8b7 100644
--- a/client/src/pages/authors/AuthorProfile.tsx
+++ b/client/src/pages/authors/AuthorProfile.tsx
@@ -437,12 +437,12 @@ export default function AuthorProfile() {
                 <div className="flex flex-col sm:flex-row justify-between gap-4 items-start sm:items-center bg-navy/5 dark:bg-navy/10 p-4 rounded-lg">
                   {/* Work type filters */}
                   <div className="flex items-center gap-3 flex-wrap">
-                    <Select value={selectedWorkType || ""} onValueChange={(value) => setSelectedWorkType(value || null)}>
+                    <Select value={selectedWorkType || "all_types"} onValueChange={(value) => setSelectedWorkType(value === "all_types" ? null : value)}>
                       <SelectTrigger className="w-[130px] text-sm h-9">
                         <SelectValue placeholder="Work Type" />
                       </SelectTrigger>
                       <SelectContent>
-                        <SelectItem value="">All Types</SelectItem>
+                        <SelectItem value="all_types">All Types</SelectItem>
                         {workTypes.map(type => (
                           <SelectItem key={type} value={type}>
                             {formatTypeName(type)}
@@ -451,12 +451,12 @@ export default function AuthorProfile() {
                       </SelectContent>
                     </Select>
                     
-                    <Select value={selectedYear || ""} onValueChange={(value) => setSelectedYear(value || null)}>
+                    <Select value={selectedYear || "all_years"} onValueChange={(value) => setSelectedYear(value === "all_years" ? null : value)}>
                       <SelectTrigger className="w-[130px] text-sm h-9">
                         <SelectValue placeholder="Year" />
                       </SelectTrigger>
                       <SelectContent>
-                        <SelectItem value="">All Years</SelectItem>
+                        <SelectItem value="all_years">All Years</SelectItem>
                         {years.sort((a, b) => parseInt(a) - parseInt(b)).map(year => (
                           <SelectItem key={year} value={year}>
                             {year}
@@ -465,12 +465,12 @@ export default function AuthorProfile() {
                       </SelectContent>
                     </Select>
                     
-                    <Select value={selectedLanguage || ""} onValueChange={(value) => setSelectedLanguage(value || null)}>
+                    <Select value={selectedLanguage || "all_languages"} onValueChange={(value) => setSelectedLanguage(value === "all_languages" ? null : value)}>
                       <SelectTrigger className="w-[130px] text-sm h-9">
                         <SelectValue placeholder="Language" />
                       </SelectTrigger>
                       <SelectContent>
-                        <SelectItem value="">All Languages</SelectItem>
+                        <SelectItem value="all_languages">All Languages</SelectItem>
                         {languages.map(language => (
                           <SelectItem key={language} value={language}>
                             {language}
@@ -479,12 +479,12 @@ export default function AuthorProfile() {
                       </SelectContent>
                     </Select>
                     
-                    <Select value={selectedGenre || ""} onValueChange={(value) => setSelectedGenre(value || null)}>
+                    <Select value={selectedGenre || "all_genres"} onValueChange={(value) => setSelectedGenre(value === "all_genres" ? null : value)}>
                       <SelectTrigger className="w-[130px] text-sm h-9">
                         <SelectValue placeholder="Genre" />
                       </SelectTrigger>
                       <SelectContent>
-                        <SelectItem value="">All Genres</SelectItem>
+                        <SelectItem value="all_genres">All Genres</SelectItem>
                         {genres.map(genre => (
                           <SelectItem key={genre} value={genre}>
                             {genre}